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. …………………
XXXXX
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. …………………
XXXX
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
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. ……………………
XXXX