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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Physics ICS Part 2 Chapter 18 Online MCQ's Test

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Question # 1

OR gate is represented by:

Question # 2

For rectification we use.

Question # 3

A transistor has:

Question # 4

The average gap for Germanium at 0K is

Question # 5

The gain of transistor amplifier depends upon

Question # 6

Doping is made comparatively larger in

Question # 7

The device which are required to convert various physical quantities into electric voltage are called.

Question # 8

The central region of a transistor is called.

Question # 9

The P.D develop in case of germanium is:

Question # 10

The gate, which changes the logic level to its opposite level is called

Question # 11

An expression for gain of an inverting amplifier is

Question # 12

The impurity in the germinium is usually in the ratio of

Question # 13

Which component of the transistor has greater contrition of impurity.

Question # 14

The ratio of potential barriers of Ge to Si at room temperatrue is.

Question # 15

The sensor of light is.

Question # 16

the number of terminals in a semiconductor diode are

Question # 17

Conversion of A.C into D.C is called:

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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 circuit of full wave rectification consist of
A. Three diodes
B. Four diodes
C. Two diodes
D. One diode
2 Which device is used as a rectifier?
A. Capacitor
B. Transistor
C. Diode
D. Transformer
3 _______ is the building block of every electronic circuit.
A. Semi conductor diode
B. Resistor
C. Capacitor
D. Amplifier
4 The p-n junction in which p side is connected to+ive and n-side is -ve the junction is said to be:
A. Neutral
B. Forward biased
C. Reversed biased
D. None of above
5 The average gap for Germanium at 0K is
A. 1.12 ev
B. 0.02 ev
C. 6.72 ev
D. 7.2 ev
6 When transistor are used in digital circuits they usually operate in the :
A. Active region
B. Break down region
C. Saturation & cutoff regions
D. Linear region
7 Which is not fundamental logic gate.
A. NOT
B. AND
C. OR
D. NAND
8 In a transistor, collector current is controlled by:
A. Collector voltage
B. Base current
C. Collector resistance
D. All of the above
9 The mathematical symbol for NOR operation is
B. X = A . B
C. X = A + D
10 An expression for gain of an inverting amplifier is
C. (R1R2)
D. None of these

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