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

00:00
Question # 1

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

Question # 2

An expression for gain of an inverting amplifier is

Question # 3

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

Question # 4

The impurity in the germinium is usually in the ratio of

Question # 5

The circuit of full wave rectification consist of

Question # 6

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

Question # 7

In full wave rectification number of diodes required are equal to.

Question # 8

In a transistor, collector current is controlled by:

Question # 9

Which device is used as a rectifier?

Question # 10

_______ is the building block of every electronic circuit.

Question # 11

Transistor was invented by:

Question # 12

Transistor was discovered by

Question # 13

X=A+B is the mathematical notation for.

Question # 14

The output of two input is zero only when its.

Question # 15

Improper bisting of a transistor circiut produces:

Question # 16

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

Question # 17

Greater concentration of impurity is added in.

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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 _______ is the building block of every electronic circuit.
A. Semi conductor diode
B. Resistor
C. Capacitor
D. Amplifier
2 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
3 NAND gate represented by:
A. X = A. B
B. X = A+B
C. X= A.B
D. X=|A+B|
4 The term invertor is used for.
A. NOR gate
B. XNOR gate
C. NAND gate
D. NOT gate
5 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
6 Which device is used as a rectifier?
A. Capacitor
B. Transistor
C. Diode
D. Transformer
7 Greater concentration of impurity is added in.
A. Base
B. Emitter
C. Collector
D. LED
8 In case of op-amp as an inverting amplifier, V+ - V- = 0, this is because
A. Open gain loop is very low
B. Closed loop gain is very high
C. Open loop gain is very high
D. Both (a) and (a)
9 The central region of a transistor is called.
A. Emitter
B. Collector
C. Base
D. Neutral
10 The symbol of p-n-p transistor is

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