प्रश्नपेढी


Shri Chhatrapati Shivaji Mahavidyalaya, Shrigonda
Question Bank For XI Electronics Technology Class
Objective Questions (MCQ)
Sub- Paper I

Q. 1. Complete the sentence by selecting correct word from given alternatives.            
1)      The rate of flow of charge is called………
1. Voltage                   2. Current                    3. Power                      4.Resistance
2)      ……………. is a striking tool.
1. Saw             2. File                                      3. Plier                         4.Hammer
3)      Aluminium is an example of ………
1. conductor                2. insulator                  3.semiconducor           4.zero conductor
4)      The maximum power is transferred only when …………
1. Ri = RL                    2. Ri > RL                    3. Ri < RL                    4. Ri =2RL
5)      The property of material to oppose electric current is called ……..
1. Voltage                   2. Current                    3. Power                      4.Resistance
6)      The pressure that causes current to flow is called ………
1. E.M.F                      2. Current                    3. Power                      4.Resistance
7)      Electrons are  ……………
1. Positive charged particles               2. Negative charged particles 
3. Zero charged particles                     4.None of above
8)      Capacitor is a ---------- Component.
1. Active                     2) Passive        c) Zero             d) Active and Passive both
9)      ------------------- capacitor is a polarized capacitor.
1. Ceramic                   2) Paper           c) Electrolytic                      d) Mica

10)  ----------------- stores electric energy.
1. Diode                      2. Transistor                3. Resistor                   4.Capacitor
Q 2. ) Match the following                                                                                                   
A                                 Answer                                              B
1.      SPST                           ……………….                                   Watt
2.      SPDT                          ………………..                                  Ohm
3.      DPST                          ………………..                                  Volt
4.      DPDT                          ………………..                                  Ampere
5.      Current                        ………………..                                  Two terminals
6.      Voltage                       ………………..                                  Three terminals
7.      Resistance                   …………………                                Four terminals
8.      Power                          ………………….                               Six terminals
Q3 State True of False                                                                                                   
1.      Silicon atom consists of 14 electrons………………………
2.      Copper is good insulator……………………
3.      Transistor is a passive component………………….
4.      Colour coding is used for carbon resistor……………..
5.      Cell converts electric energy into chemical energy. …………….
6.      A paper capacitor has three terminals………………….
7.      According to KCL, the algebraic sum of all currents at any point is zero……………..







Q. 1. Complete the sentence by selecting correct word from given alternatives.            
  1)  For voltmeter, a resistance of suitable value is connected in…………. with galvanometer.
            1. Series                                   2. Parallel                                3.Series & parallel
2)  For ammeter, a resistance of suitable value is connected in…………. with galvanometer.
            1. Series                                   2. Parallel                                3.Series & parallel
3)  The inductive reactance (XL ) is …………… proportional to frequency of current.
            1. directly                                2. Inversely                             3. none of above
4) The capacitive reactance (XC ) is …………… proportional to frequency of current.
            1. directly                                2. Inversely                             3. none of above
5) Resonance condition occurs only when……….
            1.  XC  >XL                                        2. XC  <XL                                3. XC  =XL 
6) Magnet has ………. poles.
       1. one                                           2. two                                      3. three
7) …………is device which can store electric energy.
        1. resistor                                     2. diode                                   3. capacitor
8) Like poles ………… each other.
        1.attract                                       2. repel                                    3. none of above
9) frequency  of DC is always…………
        1. 0 HZ                                          2. 50 HZ                                   3. 230 HZ )
10) The machine which converts mechanical energy into electrical energy is called…………
         1. motor                                      2. generator                             3. galvanometer
Q 2. ) Match the following                                                                                                   
A                                 Answer                                              B
     1. Voltmeter                        …………………                              Ac ckt
     2. Ammeter                         …………………                               Speaker
     3. Ohmmeter                       …………………                               Laboratory
     4. Wattmeter                                   …………………                                Voltage     
     5. Bar magnet                      …………………                               Current
     6. Ring magnet                    …………………                               Resistance
     7. Transformer                    …………………                                Power



Q3 State True of False                                                                                                         
1. The number of cycles made per second by an alternating quantity, is called amplitude. …..
2. The rate of flow of charge is called current………………..
3. Copper is insulator. …………………
4. SPST switch has 6 terminals. …………………
5. DPDT switch has two terminals. …………………
6. Screw driver is a striking tool…………………
7. The function of resistor is to oppose electric current. …………………
8. Conductor has low resistivity. …………………




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Subject – Paper II



Q. 1. Complete the sentence by selecting correct word from given alternatives.            
11)  LED emits light when it is ……………………….
1. Forward biased       2. Reverse biased        3. Zero biased             4. Not biased
12)  A p n junction is known as …………………..
1. Transistor                2. Resistor                   3. Capacitor                 4.Diode
13)  Silicon atom has  ……… electrons.
1.       32                         2.  14                           3.  22                           4.  28
14)  The AC component in DC is called ………………….
1. Load                        2. Ripple                      3. Inverter                   4. Rectifier
15)  …………………. Diode is used as voltage regulator.
1. Zener                       2. Crystal                     3. LED                                    4.Photo diode
16)  The substance which has low resistivity is called ……………………….
1. Conductor               2. Semiconductor        3. Insulator                  4.Zero conductor
17)  The electrons in the outer most orbit is called ………………….
1. Proton                     2. Neutron       3. Valence electron                 4. Free electron
18)  The process of adding impurity to pure semiconductor is called ………………….
1. Doping                    2) Mixing        c) Rectifying                           d) Filtering
19)  ……………………. circuit converts DC into AC.
1. Rectifier                  2) Filter           c) Inverter                               d) Modulator
20)  ----------------- stores electric energy.
1. Diode                      2. Transistor                3. Resistor                   4.Capacitor



Q 2. ) Match the following                                                                                                   
   A                                  Answer                              B
1.      HWR                                       ……………….                       Pentavalent Impurity
2.      FWR                                       ………………..                      Trivalent Impurity
3.      BR                                           ………………..                      Output Constant
4.      Filter                                        ………………..                      One Diode
5.      Voltage regulator                    ………………..                      Two Diodes               
6.      P type semiconductor             …………………                    Four Diodes
7.      N type semiconductor             …………………                    Capacitor
Q3 State True of False                                                                                                   
8.      In N type semiconductor, holes are majority carriers. ………………………
9.      The pure semiconductor is called Intrinsic semiconductor. …………………..
10.  IC 7805 is a negative voltage regulator IC. …………………….
11.  Resistance of diode in forward biased condition is very high………………..
12.  Arsenic is pentavalent impurity. ………………………
13.  Diode has 3 terminals. ………………………
14.  LED works on electrolucent principle. ………………….
15.  Semiconductor has negative temperature coefficient of reistance. …………………







Q. 1. Complete the sentence by selecting correct word from given alternatives.            
1) 1.Diode has ……junctions.
         1. one                                                     2. two                                      3. three
  2. Transistor has ………. P-n junctions.
        1. one                                                      2. two                                      3. three
 3. The function of transistor is to ………..
      1. rectify                                                    2. amplify                                3. filter
4. BJT is a ………. Device .
      1. unipolar                                                 2. bipolar                                 3. zeropolar
5. MOSFET is a ……. device.
      1. unipolar                                                 2. bipolar                                 3. zeropolar
6. Tank ckt produces ………oscillations.
     1.damped                                                   2. undamped                                       3. no oscillations
7. Diode has……… terminals.
     1. one                                                         2. two                                      3. three
8. IC 7805 is ……….. terminal regulator IC.
    1. three                                                        2. eight                                    3. fourteen
9. LED produces light when it is ………
    1. zero biased                                              2.reverse biased                       3. forward biased
10. ………….. is a semi conductor.
    1. aluminium                                               2. Copper                                3. Silicon






Q 2. ) Match the following                                                                                                   
A                                    Answer                              B
1. Silicon                                 ……………………                              4 diodes
2. Germanium                         ……………………                              2 diodes
3. Zener                                   ……………………                              filter
4. HWR                                   ……………………                              diode
5. FWR                                   ……………………                              voltage regulator
6.BR                                        ……………………                              Atomic no.14
7.Capacitor                              ……………………                              Atomic no. 32

Q.3)  State true or false.                                                                                                       
1. LED works on electroluscent principle. ……………………….
2. IC 7805 is positive voltage regulator. ……………………….
3. FET is a bipolar semiconductor device. ……………………….
4. SCR has 4 p-n junctions. ……………………….
5. Base of Transistor is heavily doped. ……………………….
6. Rectifier converts AC into DC. ……………………….
7. Carbon is a semiconductor. ……………………….
8. As temperature increases, resistance of semiconductor also increases. …………………




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Sub- Paper III


Q. 1. Complete the sentence by selecting correct word from given alternatives.            
1.      Binary number system uses ……………symbols.
1. 2      2. 4      3. 8      4.10
2.      BCD code is also known as ………………. code.
1. 1234                        2. 8421                        3. Hexadecimal                       4.Octal
3.      In hexadecimal number system, B is equivalent of ……….. decimal number.
       1.  10                          2.  11                           3. 12                            4.  13
4.      1 + 1 = …………..
1.  0                 2.  1                 3.  01               4.  11
5.      The 1 s complement of 1001 is ………………..
1. 1001                        2. 1110                        3. 0110                        4.0111
6.      ……………….. gate is a universal gate.
1. AND                       2.NOT             3. OR              4.NAND
7.      The NOT gate is also called ………………..
1. Inverter                   2. Rectifier      3. Filter                        4. Capacitor
8.      NOR gate is a OR gate followed by …………..gate.
1. AND                       2.NOT             3. OR              4.NAND
9.      Half adder adds……………... binary digits.
1.  2                             2)  3                 3) 4                  4) 8
10.  A group of …………….. bits is known as Byte.
1. 4                  2. 8      3. 16                4.32




Q 2. ) Match the following           
                 
                                                                  
Q3 State True of False                                                                                                   
1.      EX-OR gate is a derived gate. ………………………
2.      Ultra large scale integration contains 10000 or more logic gates. ……………….
3.      IC 7400 is AND gate IC. …………………
4.      TTL has low operating speed………………
5.      Hexadecimmal number system has radix or base 16………………
6.      IC 7404 is OR gate IC………………….
7.      AND gate is a basic gate………………..
8.      0 – 1 = 1 1 ………………………





Q. 1. Complete the sentence by selecting correct word from given alternatives.            
1. Multiplexer logic ckt means …………........
   1. one into many                              2. many into one                    3. many into many)
2. ………… is a NAND gate IC.
    1. 7400                                            2. 7402                                    3.7404
3. Ripple counter is …………………….. type counter.
    1. synchronous                                2.asynchronous                       3.parallel
4. TTL logic family is …………………………
    1.unipolar                                        2. bipolar                                 3.  zero polar
5. CMOS logic family is ……………………….
     1.unipolar                                       2. bipolar                                 3.  zero polar
6. Octal number system has base……………………….
    1.two                                               2. eight                                                3. sixteen
7. The 1’s complement of 1000 is………………………
     1)  1000                                          2)  0111                                   3) 1111
8. ………………….is a NOR gate IC.
     1. 7400                                           2. 7402                                    3. 7404
9. ………………….… is a combinational ckt that converts standard input into a coded signal.
     1. encoder                                      2. decoder                               3.counter
10. Flipflop is a …………..………. multivibrator ckt .
     1.Astable                                        2.  monostable                         3.bistable






Q 2. ) Match the following                                                                                                   
   A                        Answer                                          B
1.      SSI                   ……………….............                                  10000 or more
2.      MSI                  ……………….............                                  1000 to 9999
3.      LSI                  ……………….............                                   12 to 99
4.      VLSI                ……………….............                                  Less than 12
5.      ULSI                           ……………….............                                   100 to 999
6.      Half adder                   ……………….............                                   3 binary digits
7.      Full adder         ……………….............                                  2 binary digits

Q.3)  State true or false.                                                                                                       
1. NOT gate is also called inverter. ……………………….
2.     1+1=10.  ……………………….
3. In OR gate output is high only when one or all inputs are high. ……………………
4. A group of 16 bit is called byte. ……………………
5. The binary equivalent of 3 is 111. ……………………
6. AND gate is known as universal gate. ……………………
7. The Boolean expression of OR gate is A+B. ……………………
8. IC 7447 is decoder driver IC. ……………………

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