Second Year Physics Chapter 18 Online MCQ Test for 2nd Year Physics Chapter 18 Electronics Preparation

FSC Part 2 Physics
Chapter 18 Test

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Physics FSC Part 2 Chapter 18 Online MCQ's Test

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Question # 1

In case of reverse biasing, current is flown due to:

Question # 2

The symbol of p-n-p transistor is

Question # 3

The average gap for Germanium at 0K is

Question # 4

The ratio Beta in transistor is called.

Question # 5

Greater concentration of impurity is added in.

Question # 6

Which device is used as a rectifier?

Question # 7

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

Question # 8

Depletion region carries.

Question # 9

One use of a single p-n junction semiconductor in an electrical circuit is a

Question # 10

The potential difference across the depletion region of germanium is.

Question # 11

OR gate is represented by:

Question # 12

In a certain circuit, IB = 40 µA, IC = 20 mA

Question # 13

For normal transistor the emitter current can be given by

Question # 14

Transistor was discovered by

Question # 15

The use of LDR is in the circuit of.

Question # 16

The P.D develop in case of germanium is:

Question # 17

The term invertor is used for.

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FSC 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 A two inputs NAND gat with inputs a and b has an output '0' if.
A. B is zero
B. A is zero
C. Both A and B are 1
D. Both A and B are '0'
2 The potential difference across the depletion region of germanium is.
A. 0.3 V
B. 0.5 V
C. 0.7 V
D. 0.8 V
3 The mathematical symbol for NOR operation is
B. X = A . B
C. X = A + D
4 The circuit of full wave rectification consist of
A. Three diodes
B. Four diodes
C. Two diodes
D. One diode
5 the number of terminals in a semiconductor diode are
A. 2
B. 3
C. 4
D. 5
6 Output resistance of an op amp is
A. High
B. Low
C. Zero
D. Equal to input resistance
7 Rectification is the process of converting.
A. D.C. into A.C.
B. A.C. in to D.C.
C. Low signal to high
D. High signal to low
8 In full wave rectification number of diodes required are equal to.
A. 2
B. 3
C. 4
D. 5
9 The impurity in the germinium is usually in the ratio of
A. 1:106
B. 1:104
C. 1:108
D. 1:1010
10 Which component of the transistor has greater contrition of impurity.
A. Base
B. Emitter
C. Collector
D. Emitter and collector

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