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

The device which is used as amplifier and works with the negative feedback is.

Question # 2

The output from a full wave rectifier is

Question # 3

The output voltage of a rectifier is.

Question # 4

Doping is made comparatively larger in

Question # 5

Rectification is the process of converting.

Question # 6

For normal transistor the emitter current can be given by

Question # 7

The P.D develop in case of germanium is:

Question # 8

A device which converts low voltage or current to high voltage or current is called.

Question # 9

Which device is used as a rectifier?

Question # 10

The central region of a transistor is called.

Question # 11

Automatic function of street light can be done by the use of.

Question # 12

The impurity in the germinium is usually in the ratio of

Question # 13

X=A+B is the mathematical notation for.

Question # 14

Greater concentration of impurity is added in.

Question # 15

Which is not fundamental logic gate.

Question # 16

the number of terminals in a semiconductor diode are

Question # 17

Transistor was discovered by

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 A PN junction can not be sued a.
A. Rectifier
B. Amplifier
C. Detector
D. LED
2 The P.D develop in case of germanium is:
A. 0.3
B. 0.7
C. 0.5
D. 0.9
3 The circuit of full wave rectification consist of
A. Three diodes
B. Four diodes
C. Two diodes
D. One diode
4 In case of reverse biasing, current is flown due to:
A. Minority charge carriers
B. Majority charge carriers
C. Electrons
D. Protons
5 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
6 In full wave rectification number of diodes required are equal to.
A. 2
B. 3
C. 4
D. 5
7 NAND gate represented by:
A. X = A. B
B. X = A+B
C. X= A.B
D. X=|A+B|
8 The resistance between the inverting (-) and non inverting inputs is called Input resistance and is the order of.
A. Ohms
B. Kilo Ohms
C. Mega Ohms
D. Thounds Ohms
9 X=A+B is the mathematical notation for.
A. OR gate
B. NOR gate
C. NAND gate
D. AND gate
10 Which one has greater cone of impurity among all:
A. Emitter
B. Base
C. Collector
D. All are pure

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