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

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Question # 1

The condition of resonance is:

Question # 2

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

Question # 3

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

Question # 4

The phase angle of a series RLC circult at resonant frequency is

Question # 5

Power dissipation in A.C circuit is expressed as:

Question # 6

In A.C circuit of inductor which one is true

Question # 7

Average value of current and voltage over a complete cycle is.

Question # 8

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

Question # 9

In case of capacitor, the unit of reactance is

Question # 10

For electromagnetic waves, Maxwell generalized

Question # 11

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

Question # 12

The value of capacitive reactance is given by

Question # 13

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

Question # 14

The most common source of an A.C. Voltage is.

Question # 15

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

Question # 16

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

Question # 17

The device which allows only the flow of D.C. 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 device which allows only the flow of D.C. is.
A. Capacitors
B. transformer
C. Inductor
D. Generator
2 The main reason for world wide use of A.C is because:
A. It is very high power 
B. It can be transmitted over long distance
C. It is cheaper to use
D. ALl of above
3 Unit of impedance is:
A. Ohm
B. Ohm-1
C. no unit
D. Ohm m-1
4 X1is low for low frequency Fy but Xc is.
A. Zero
B. Low
C. High
D. Same is H
5 In modulation, low frequency signal is known as
A. Carrier wave
B. fluctuated signal
C. Modulated carrier signal
D. Modulation signal
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 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
8 The electromagnetic spectrum contains
A. Radio waves
B. X-rays
C. Microwaves
D. All of these
9 Which consumes small power.
A. Inductor
B. Resistor
C. Motor
D. All of these
10 Xc =
A. 1/2πfc
B. 2πfc
C. 2π/fc
D. fc/2π

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