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 internal resistance of a capacitor is called:

Question # 2

In three phase A.C supply coils are inclined at an angle of.

Question # 3

In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve is.

Question # 4

X1is low for low frequency Fy but Xc is.

Question # 5

Radio frequency choke is

Question # 6

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

Question # 7

SI unit of reactance is.

Question # 8

The unit of impedance is.

Question # 9

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

Question # 10

In a pure inductive A.C. circuit the current.

Question # 11

The electromagnetic spectrum contains

Question # 12

In A.C circuit of inductor which one is true

Question # 13

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

Question # 14

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

Question # 15

The sum of positive and negative peak value called.

Question # 16

In case of A.C. through resistor V and I are

Question # 17

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?

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16th Chapter

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 peak value of A.C source is 20 A, then its rms value will be.
A. 14.1 A
B. 10 A
C. 20 A
D. 28.2 A
2 The velocity of an oscillating charge as it moves to and fro along a wire is.
A. Changing
B. Constant
C. Infinite
D. zero
3 The combined effect of resistance and reactance is knows as.
A. Inductance
B. Conductance
C. Resistance
D. Impedance
4 The mean value of A.C. in a cycle is.
A. 1
B. 0
C. I2
D. Nil
5 In three phase voltage across any two lines is about.
A. 220 V
B. 230 V
C. 400 V
D. 430 V
6 The device which allows only the flow of D.C. is.
A. Capacitors
B. transformer
C. Inductor
D. Generator
7 At high frequency, the current through a capacitor is
A. Small
B. Infinity
C. Zero
D. Large
8 A capacitor is perfectly insulator for:
A. Direct current
B. Alternating current
C. Direct as well as alternating current
D. None of these
9 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
10 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit

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