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

  • Time Allowed20

Physics ICS Part 2 Chapter 16 Online MCQ's Test

00:00
Question # 1

The peak value of alternating current is 5√2 A. The mean square value of current will be:

Question # 2

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

Question # 3

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

Question # 4

The peak value of A.C source is 20 A, then its rms value will be.

Question # 5

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

Question # 6

Unit of impedance is:

Question # 7

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

Question # 8

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

Question # 9

Power dissipation in A.C circuit is expressed as:

Question # 10

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

Question # 11

In A.C circuit through a capacitor which one is:

Question # 12

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

Question # 13

when an inductor comes close to a metallic object, its inductance is.

Question # 14

The A.M. transmission frequencies range from

Question # 15

The effective value of any sinusoidal alternating current or voltage is

Question # 16

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 # 17

Vrms =

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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 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
2 The unit of impedance is
A. Farad
B. Henry
C. Tesla
D. Ohm
3 The mean value of A.C. in a cycle is.
A. 1
B. 0
C. I2
D. Nil
4 when an inductor comes close to a metallic object, its inductance is.
A. Decreased
B. Increased
C. Becomes half
D. Becomes 4 times
5 The condition of resonance is:
A. XL = 1/2 Xc
B. XL = Xc
C. Xc = 4x2
D. None of above
6 Average value of current and voltage over a complete cycle is.
A. Positive
B. Negative
C. Zero
D. Infinite
7 The combined effect of resistance and reactance is knows as.
A. Inductance
B. Conductance
C. Resistance
D. Impedance
8 XL=
A. 2πfL
B. 1/2πfL
C. 2πfL
D. fL/2π
9 At high frequency the value of reactance of capacitor will be.
A. Small
B. Zero
C. Large
D. Infinite
10 Choke consumes extremely small
A. Current
B. Charge
C. Power
D. Potential

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