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 Pakistan the frequency of A.C. supply is.

Question # 2

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 # 3

Xc =

Question # 4

Power dissipated in a pure inductor is.

Question # 5

Radio frequency choke is

Question # 6

The circuit which compares the two voltages is.

Question # 7

At resonance frequency, the impedance of RLC series circuit is.

Question # 8

The reactance of inductor depends upon

Question # 9

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

Question # 10

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

Question # 11

If Vrms be the root mean square value of emf then its peak to peak value is given by

Question # 12

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

Question # 13

Unit of impedance is:

Question # 14

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

Question # 15

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

Question # 16

In metal detector, we use.

Question # 17

At high frequency, the current through a capacitor 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 The sum of positive and negative peak value called.
A. R.M.S. value
B. P-P value
C. Peak value
D. Average value
2 When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.
A. 100 Ohm
B. 10 Ohm
C. 1000 Ohm
D. 1 Ohm
3 In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve is.
A. Maximum
B. Minimum
C. Zero
D. Negative
4 A resistance frequency the impedance of RLC parallel circuit is.
A. Zero
B. Infinite
C. Maximum
D. Minimum
5 For electromagnetic waves, Maxwell generalized
A. Gauses law for magnetism
B. Gauses law for eletricity
C. Fradays law
D. Amperes law
6 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
7 Radio frequency choke is
A. Iron cored
B. Air Cored
C. Air as well as iron cored
D. None of these
8 XL=
A. 2πfL
B. 1/2πfL
C. 2πfL
D. fL/2π
9 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
10 Choke consumes extremely small
A. Current
B. Charge
C. Power
D. Potential

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