2nd Year Physics Chapter 16 Online MCQ Test for 12th Class Physics Chapter 16 (Alternating Current)

ICS Part 2 Physics
Chapter 16 Test

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MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 16 Online MCQ's Test"

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  • Total Questions17

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Physics ICS Part 2 Chapter 16 Online MCQ's Test

00:00
Question # 1

The reactance of inductor depends upon

Question # 2

The device which allows only the continuous flow of AC through it is.

Question # 3

Phase difference between V and I of an A.C through resistor is.

Question # 4

In RLC circuit the energy is dissipated in

Question # 5

The phase difference between the current and voltage at resonce is:

Question # 6

The device which allows only the flow of D.C. is.

Question # 7

An alternating voltage is given by 20 sin 157 t. Th efrequency of alternating voltage is:

Question # 8

The unit of impedance is

Question # 9

In A.C circuit through a capacitor which one is:

Question # 10

The main use of A.C is

Question # 11

The sum of positive and negative peak value called.

Question # 12

In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is.

Question # 13

An electromagnetic wave goes from air to glass which of the following does not change?

Question # 14

Power dissipation is a pure inductive or in a pure capacitance circuit is:

Question # 15

The combined effect of resistance and reactance in circuit is called:

Question # 16

Electro magnetic waves emitted from radio antenna are.

Question # 17

Radio frequency choke is

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ICS Part 2 Physics Chapter 16 Online Test MCQ's

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The wave form of alternating voltage is a
A. Cotangent curve
B. Cosine curve
C. Sine curve
D. Tangent curve
2 The AC system is preferred to DC system because:
A. AC voltage can be easily changed in magnitude
B. DC motor angular velocity is affected badly
C. High voltage AC transmission is less efficient
D. Domestic appliance require AC voltage for their operation
3 Which consumes small power.
A. Inductor
B. Resistor
C. Motor
D. All of these
4 The slope of q-t curve at any instant of time gives.
A. Voltage
B. Current
C. Charge
D. Botha a and b
5 The mean value of A.C. in a cycle is.
A. 1
B. 0
C. I2
D. Nil
6 The power factor of RL series circuit is.
A. 0
B. 1
C. Less then 1
D. More than one
7 Power dissipation is a pure inductive or in a pure capacitance circuit is:
A. 106
B. 0
C. 10
D. Maximum
8 The peak to peak value of alternating voltage is
A. 2Vo
B. Vo
D. None of these
9 Direct current can not flow through.
A. Inductor
B. Resistor
C. Transistor
D. Capacitor
10 The peak value of A.C source is 20 A, then its rms value will be.
A. 14.1 A
B. 10 A
C. 20 A
D. 28.2 A

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