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

Unit of impedance is:

Question # 2

At resonance, the behavior of R-L-C series circuit is.

Question # 3

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

Question # 4

For electromagnetic waves, Maxwell generalized

Question # 5

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

Question # 6

In three phase voltage across any two lines is about.

Question # 7

The unit of impedance is

Question # 8

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

Question # 9

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

Question # 10

The electromagnetic spectrum contains

Question # 11

Xc =

Question # 12

A capacitor is perfectly insulator for:

Question # 13

The combined effect of resistance and reactance is knows as.

Question # 14

An A.C. voltmeter reads 220 V, its peak value will be

Question # 15

The wave form of alternating voltage is a

Question # 16

In a pure inductive A.C. circuit the current.

Question # 17

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

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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 Power dissipated in a pure inductor is.
A. Large
B. Small
C. Infinite
D. Zero
2 In AC system we generate sine wave form because:
A. It san be easily draw
B. It produces least disturbance in electrical circuits
C. It is nature standard
D. Other waves cannot be produced easily
3 The sum of positive and negative peak value called.
A. R.M.S. value
B. P-P value
C. Peak value
D. Average value
4 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
5 The mean value of A.C. in a cycle is.
A. 1
B. 0
C. I2
D. Nil
6 High frequency radio wave is called as
A. Fluctuate
B. Carrier wave
C. Matter wave
D. Mechanical wave
7 In purely resistive A.C circuit, instantaneous value of voltage and current:
A. Current lags behind voltage
B. Current leads voltage by π/2
C. Both are in Phase
D. Voltage leads current by Pase θ=π/2
8 At high frequency the value of reactance of capacitor will be.
A. Small
B. Zero
C. Large
D. Infinite
9 The reactance is the ratio of
A. Vrms/Irms
B. Vrms x Irms
C. Irms/Vrms
D. Vmax x Vrms
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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