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

In chopke coil the resistance XL an resistance R are:

Question # 2

The peak to peak value of alternating voltage is

Question # 3

A capacitor is perfectly insulator for:

Question # 4

In LR circiut which one of the following statements is correct?

Question # 5

In metal detector, we use.

Question # 6

100 micro F capacitor is connects to an AC voltage 24 V and frequency 50 Hz. The reactance of the capacitor is.

Question # 7

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

Question # 8

The value of capacitive reactance is given by

Question # 9

SI unit of reactance is.

Question # 10

During each cycle A.C. voltage reaches a peak value.

Question # 11

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

Question # 12

The peak value of alternating current is 5√2 A. The mean square value of current will be:

Question # 13

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

Question # 14

The wave form of alternating voltage is a

Question # 15

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

Question # 16

Electro magnetic waves emitted from radio antenna are.

Question # 17

Power dissipation in A.C circuit is expressed as:

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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 Xc =
A. 1/2πfc
B. 2πfc
C. 2π/fc
D. fc/2π
3 In pure capacitor A.C. circuit, the current I and charge q are.
A. In phase
B. Out of phase
C. Parallel to each other
D. None of above
4 An alternating voltage is given by 20 sin 157 t. Th efrequency of alternating voltage is:
A. 50 Hz
B. 25Hz
C. 100 Hz
D. 75 Hz
5 In chopke coil the resistance XL an resistance R are:
A. XL=R
B. XL<<R
C. XL>>R
D. XL=
6 An A.C. voltmeter reads 220 V, its peak value will be
A. 225 V
B. 240 V
C. 311.12 V
D. 300 V
7 Power dissipation in A.C circuit is expressed as:
A. P =Irms x Vrms Sinθ
B. IxVCosθ
C. IrmsxVrmsCosθ
D. Irms x Vrms Sin2θ
8 The phase angle of a series RLC circult at resonant frequency is
A. 1/2
B. sigma
C. Zero
D. sigma /4
9 High frequency radio wave is called as
A. Fluctuate
B. Carrier wave
C. Matter wave
D. Mechanical wave
10 In frequency modulation, the amplitude of carrier waves is
A. Increases
B. Remains constant
C. Decreases
D. None of these

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