Second Year Physics Chapter 16 Online MCQ Test for 2nd Year Physics Chapter 16 Alternating Current Preparation

FSC Part 2 Physics
Chapter 16 Test

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Physics FSC Part 2 Chapter 16 Online MCQ's Test

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Question # 1

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

Question # 2

The sum of positive and negative peak value called.

Question # 3

Unit of impedance is:

Question # 4

An in cudutor may store energy in

Question # 5

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

Question # 6

The internal resistance of a capacitor is called:

Question # 7

Electro magnetic waves emitted from radio antenna are.

Question # 8

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

Question # 9

At high frequency, the current through a capacitor is

Question # 10

The peak to peak value of alternating voltage is

Question # 11

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

Question # 12

A resistance frequency the impedance of RLC parallel circuit is.

Question # 13

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

Question # 14

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

Question # 15

When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.

Question # 16

The mean value of A.C. in a cycle is.

Question # 17

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

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FSC 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 At resonance frequency, the impedance of RLC series circuit is.
A. Maximum
B. Minimum
C. Zero
D. Infinite
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?
A. 4 times
B. 1/4 times
C. 8 times
D. 2 times
3 The unit of impedance is
A. Farad
B. Henry
C. Tesla
D. Ohm
4 In Series resonance circuit the impedance of circuit art resonance frequency, is
A. Maximum
B. Minimum
C. It is unequal to R
D. None of above
5 X1is low for low frequency Fy but Xc is.
A. Zero
B. Low
C. High
D. Same is H
6 when an inductor comes close to a metallic object, its inductance is.
A. Decreased
B. Increased
C. Becomes half
D. Becomes 4 times
7 The reactance of inductor depends upon
A. L
D. All of the above
8 If the frequency of A.C. supplied is doubled then the capacitive reactance becomes.
A. Half
B. Two
C. Four times
D. One fourth
9 For electromagnetic waves, Maxwell generalized
A. Gauses law for magnetism
B. Gauses law for eletricity
C. Fradays law
D. Amperes law
10 High frequency radio wave is called as
A. Fluctuate
B. Carrier wave
C. Matter wave
D. Mechanical wave

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