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

The A.M. transmission frequencies range from

Question # 2

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

Question # 3

During each cycle A.C. voltage reaches a peak value.

Question # 4

The velocity of an oscillating charge as it moves to and fro along a wire is.

Question # 5

In frequency modulation which factor changed.

Question # 6

The condition of resonance is:

Question # 7

XL=

Question # 8

In RLC circuit the energy is dissipated in

Question # 9

An in cudutor may store energy in

Question # 10

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

Question # 11

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

Question # 12

In frequency modulation, the amplitude of carrier waves is

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

The reactance of inductor depends upon

Question # 17

High frequency radio wave is called as

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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 In case of A.C. through resistor V and I are
A. At 0 o with each other
B. At 180 o with each other
C. At 90 o with each other
D. At 270 o with each other
2 For electromagnetic waves, Maxwell generalized
A. Gauses law for magnetism
B. Gauses law for eletricity
C. Fradays law
D. Amperes law
3 The expression P = VI hold only when current and voltage are.
A. In phase
B. Out of phase
C. At right angle to each other
D. At angle of 120 o
4 The mean value of A.C. in a cycle is.
A. 1
B. 0
C. I2
D. Nil
5 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
6 In frequency modulation, the amplitude of carrier waves is
A. Increases
B. Remains constant
C. Decreases
D. None of these
7 In RLC circuit the energy is dissipated in
A. R only
B. R and L
C. R and C
D. L and C
8 Power dissipated in a pure inductor is.
A. Large
B. Small
C. Infinite
D. Zero
9 X1is low for low frequency Fy but Xc is.
A. Zero
B. Low
C. High
D. Same is H
10 The phase difference between the current and voltage at resonce is:
A. 0
B. π
C. -π
D. π/2

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