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 Basic circuit element in a D.C. circuits which controls the current and voltage is

Question # 2

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

Question # 3

The flow of D.C current is opposed by

Question # 4

Resistance of choke is

Question # 5

The main use of A.C is

Question # 6

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

Question # 7

Main reason for world wide use of A.C. is

Question # 8

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

Question # 9

In Pakistan the frequency of A.C. supply is.

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

The slope of q-t curve at any instant of time gives.

Question # 14

Unit of impedance is:

Question # 15

The unit of impedance is.

Question # 16

The reactance is the ratio of

Question # 17

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?

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16th Chapter

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 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
2 Power dissipated in a pure inductor is.
A. Large
B. Small
C. Infinite
D. Zero
3 The slope of q-t curve at any instant of time gives.
A. Voltage
B. Current
C. Charge
D. Botha a and b
4 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?
A. 4 times
B. 1/4 times
C. 8 times
D. 2 times
5 Choke consumes extremely small
A. Current
B. Charge
C. Power
D. Potential
6 The power factor of RL series circuit is.
A. 0
B. 1
C. Less then 1
D. More than one
7 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
8 The resonance frequency is given by:
A. fr = 2π√LC
B. fr = 1/2πLC
C. fr = 1/ 2π√LC
D. f1 = 1/ 2πC√L
9 Power dissipation is a pure inductive or in a pure capacitance circuit is:
A. 106
B. 0
C. 10
D. Maximum
10 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

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