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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Physics ICS Part 2 Chapter 16 Online MCQ's Test

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Question # 1

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

Question # 2

For electromagnetic waves, Maxwell generalized

Question # 3

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

Question # 4

Resistance of choke is

Question # 5

The reactance of inductor depends upon

Question # 6

An inductor of 1 henry inductance has a reactance 500 ohms, then the frequency required is approximately

Question # 7

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 # 8

The wave form of alternating voltage is a

Question # 9

At high frequency the value of reactance of capacitor will be.

Question # 10

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

Question # 11

The Basic circuit element in a D.C. circuits which controls the current and voltage is

Question # 12

The resonance frequency is given by:

Question # 13

If Io is the peak value of current, then its root mean square value is given by

Question # 14

The circuit which compares the two voltages is.

Question # 15

The effective value of any sinusoidal alternating current or voltage is

Question # 16

The reactance is the ratio of

Question # 17

In AC system we generate sine wave form because:

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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 inductive reactance of a coil is direction proportional to.
A. Inductance
B. Resistance
C. Frequency of A.C.
D. Both frequency of A.C. and inductance
2 During each cycle A.C. voltage reaches a peak value.
A. Once
B. Twice
C. Thrice
D. Four time
3 The combined effect of resistance and reactance is knows as.
A. Inductance
B. Conductance
C. Resistance
D. Impedance
4 In metal detector, we use.
A. L-C circuit
B. R-L circuit
C. R-C circuit
D. RLC series circuit
5 The peak to peak value of alternating voltage is
A. 2Vo
B. Vo
D. None of these
6 Choke consumes extremely small
A. Current
B. Charge
C. Power
D. Potential
7 X1is low for low frequency Fy but Xc is.
A. Zero
B. Low
C. High
D. Same is H
8 The power factor of RL series circuit is.
A. 0
B. 1
C. Less then 1
D. More than one
9 The condition of resonance is:
A. XL = 1/2 Xc
B. XL = Xc
C. Xc = 4x2
D. None of above
10 Power dissipated in a pure inductor is.
A. Large
B. Small
C. Infinite
D. Zero

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