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

  • Time Allowed20

Physics ICS Part 2 Chapter 16 Online MCQ's Test

00:00
Question # 1

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

Question # 2

In three phase A.C. generator the phase difference between each pair of coil is.

Question # 3

The internal resistance of a capacitor is called:

Question # 4

Impedance is denoted by:

Question # 5

The flow of D.C current is opposed by

Question # 6

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

Question # 7

when an inductor comes close to a metallic object, its inductance is.

Question # 8

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

Question # 9

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

Question # 10

In an LRC circiut, the capacitance is made one-fourth, when an resonance . Then what should be change in inductance, so that the circuit remain in resonance?

Question # 11

The basic circuit element in A.C. circuit which controls current.

Question # 12

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

Question # 13

In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve is.

Question # 14

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

Question # 15

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

Question # 16

In frequency modulation, the amplitude of carrier waves is

Question # 17

The peak to peak value of alternating voltage 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 High frequency radio wave is called as
A. Fluctuate
B. Carrier wave
C. Matter wave
D. Mechanical wave
2 Electron vibrating 94,000 times each second will produce radio waves of frequency.
A. 94 Hz
B. 940 HZ
C. 94 Hz
D. 490 Hz
3 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
4 The mean value of A.C. in a cycle is.
A. 1
B. 0
C. I2
D. Nil
5 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
6 The reactance of inductor depends upon
A. L
D. All of the above
7 At resonance, the behavior of R-L-C series circuit is.
A. Resistive
B. Capacitive
C. Inductive
D. Modulative
8 Power dissipated in a pure inductor is.
A. Large
B. Small
C. Infinite
D. Zero
9 Resistance of choke is
A. zero
B. Large
C. Very small
D. Infinite
10 The circuit which compares the two voltages is.
A. LDR
B. Sensor
C. Comparator
D. Logic gate

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