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

Question # 2

A resistance frequency the impedance of RLC parallel circuit is.

Question # 3

Unit of impedance is:

Question # 4

Vrms =

Question # 5

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

Question # 6

In LR circiut which one of the following statements is correct?

Question # 7

The expression P = VI hold only when current and voltage are.

Question # 8

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 # 9

The AC system is preferred to DC system because:

Question # 10

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

Question # 11

If the frequency of A.C. supplied is doubled then the capacitive reactance becomes.

Question # 12

The circuit in which current and voltage are in phase, the power factor is:

Question # 13

Xc =

Question # 14

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

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 device which allows only the flow of D.C. is.

Question # 17

The power factor of RL series circuit 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 In A.C circuit through a capacitor which one is:
A. Current leads voltage by 90
B. Current lags behind voltage by 90
C. Both will be in phase
D. None of above 
2 For electromagnetic waves, Maxwell generalized
A. Gauses law for magnetism
B. Gauses law for eletricity
C. Fradays law
D. Amperes law
3 An inductor of 1 henry inductance has a reactance 500 ohms, then the frequency required is approximately
A. 50 Hz
B. 100 Hz
C. 80 Hz
D. 120 Hz
4 The unit of impedance is
A. Farad
B. Henry
C. Tesla
D. Ohm
5 The reactance of inductor depends upon
A. L
D. All of the above
6 The wave form of alternating voltage is a
A. Cotangent curve
B. Cosine curve
C. Sine curve
D. Tangent curve
7 An electromagnetic wave goes from air to glass which of the following does not change?
A. Radio waves
B. X-rays
C. Ultra violet radiation
D. Ultra sond waves
8 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
9 Phase difference between V and I of an A.C through resistor is.
A. Zero Degree
B. 90 o
C. 80o
D. 120o
10 At high frequency, the current through a capacitor is
A. Small
B. Infinity
C. Zero
D. Large

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