2nd Year Physics Chapter 18 Online MCQ Test for 12th Class Physics Chapter 18 (Electronics)

ICS Part 2 Physics
Chapter 18 Test

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MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 18 Online MCQ's Test"

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Physics ICS Part 2 Chapter 18 Online MCQ's Test

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Question # 1

NAND gate represented by:

Question # 2

For automatic Switching of streetlight, the op amplifier is used as.

Question # 3

A.C. can be converted into D.C. by

Question # 4

Output resistance of an op amp is

Question # 5

_______ is the building block of every electronic circuit.

Question # 6

Logic gate can control some physical parameters like.

Question # 7

The central region of a transistor is called.

Question # 8

Which is not fundamental logic gate.

Question # 9

The average gap for Germanium at 0K is

Question # 10

Greater concentration of impurity is added in.

Question # 11

Photo diode detects.

Question # 12

The use of LDR is in the circuit of.

Question # 13

When a PN-Junction is reverse biased the depletion region is.

Question # 14

Truth table of logic function.

Question # 15

the number of terminals in a semiconductor diode are

Question # 16

The semi conductor diode has the property of

Question # 17

In a transistor, collector current is controlled by:

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18th Chapter

ICS Part 2 Physics Chapter 18 Online Test MCQ's

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The reverse saturation current in a PN junction diode is only due to:
A. Majority carriers
B. Minoritycarriers
C. Acceptor ions
D. Donor ions
2 Which factor does not affect the conductivity of PN-Junction diode.
A. Doping
B. Temperature
C. Voltage
D. Pressure
3 For normal transistor the emitter current can be given by
A. IE = IC
B. IE = IC + IB
C. IE = IB
D. None of these
4 Doping is made comparatively larger in
A. Emitter
B. Base
C. Collector
D. P -type semi conductor
5 _______ is the building block of every electronic circuit.
A. Semi conductor diode
B. Resistor
C. Capacitor
D. Amplifier
6 Light emitting diodes are made from semiconductors.
A. Silicon
B. Germanium
C. Carbon
D. Gallium arsenide
7 During negative half cycle of A.c then p-n junction offers.
A. High resistance
B. Low resistance
C. No resistance
D. All of these
8 Transistors are made from
A. Plastics
B. Metals
C. Insulator
D. Doped semi conductors
9 In case of reverse biasing, current is flown due to:
A. Minority charge carriers
B. Majority charge carriers
C. Electrons
D. Protons
10 In a transistor, collector current is controlled by:
A. Collector voltage
B. Base current
C. Collector resistance
D. All of the above

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