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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Physics ICS Part 2 Chapter 16 Online MCQ's Test

00:00
Question # 1

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

Question # 2

Power dissipated in a pure inductor is.

Question # 3

The combined effect of resistance and reactance is knows as.

Question # 4

The velocity of an oscillating charge as it moves to and fro along a wire is.

Question # 5

The expression P = VI hold only when current and voltage are.

Question # 6

The peak value of A.C source is 20 A, then its rms value will be.

Question # 7

The value of capacitive reactance is given by

Question # 8

When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.

Question # 9

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

Question # 10

The highest value reached by the voltage or current is one cycle is called:

Question # 11

Choke consumes extremely small

Question # 12

Which consumes small power.

Question # 13

Unit of impedance is:

Question # 14

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

Question # 15

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

Question # 16

The circuit in which current and voltage are in phase, the power factor is:

Question # 17

In pure capacitor A.C. circuit, the current I and charge q are.

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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 peak value of alternating current is 5√2 A. The mean square value of current will be:
A. 5A
B. 2.5A
C. 5√2A
D. 52
2 Power dissipation in A.C circuit is expressed as:
A. P =Irms x Vrms Sinθ
B. IxVCosθ
C. IrmsxVrmsCosθ
D. Irms x Vrms Sin2θ
3 Which consumes small power.
A. Inductor
B. Resistor
C. Motor
D. All of these
4 Main reason for world wide use of A.C. is
A. It is cheaper
B. Transmitted
C. Botha a and b
D. Reaches in short time
5 In Series resonance circuit the impedance of circuit art resonance frequency, is
A. Maximum
B. Minimum
C. It is unequal to R
D. None of above
6 At high frequency the value of reactance of capacitor will be.
A. Small
B. Zero
C. Large
D. Infinite
7 The peak to peak value of alternating voltage is
A. 2Vo
B. Vo
D. None of these
8 Average value of current and voltage over a complete cycle is.
A. Positive
B. Negative
C. Zero
D. Infinite
9 High frequency radio wave is called as
A. Fluctuate
B. Carrier wave
C. Matter wave
D. Mechanical wave
10 The flow of D.C current is opposed by
A. Resistor
B. Induction
C. Capacitor
D. All of these

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