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

00:00
Question # 1

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

Question # 2

SI unit of reactance is.

Question # 3

Radio frequency choke is

Question # 4

The electromagnetic spectrum contains

Question # 5

The reactance is the ratio of

Question # 6

In three phase voltage across any two lines is about.

Question # 7

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

Question # 8

In case of capacitor, the unit of reactance is

Question # 9

An in cudutor may store energy in

Question # 10

The main use of A.C is

Question # 11

Choke consumes extremely small

Question # 12

In purely resistive A.C circuit, instantaneous value of voltage and current:

Question # 13

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

Question # 14

The basic circuit element in A.C. circuit which controls current.

Question # 15

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

Question # 16

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

Question # 17

The highest value reached by the voltage or current is one cycle is called:

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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 At high frequency the value of reactance of capacitor will be.
A. Small
B. Zero
C. Large
D. Infinite
2 The condition of resonance is:
A. XL = 1/2 Xc
B. XL = Xc
C. Xc = 4x2
D. None of above
3 In frequency modulation, the amplitude of carrier waves is
A. Increases
B. Remains constant
C. Decreases
D. None of these
4 The velocity of an oscillating charge as it moves to and fro along a wire is.
A. Changing
B. Constant
C. Infinite
D. zero
5 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
6 At resonance frequency, the impedance of RLC series circuit is.
A. Maximum
B. Minimum
C. Zero
D. Infinite
7 In three phase A.C. generator the phase difference between each pair of coil is.
A. 45o
B. 90o
C. 120o
D. 60o
8 In frequency modulation which factor changed.
A. Amplitude of charge carriers
B. Frequency of charge carriers
C. Amplitude of signal
D. Frequency of signal
9 Choke consumes extremely small
A. Current
B. Charge
C. Power
D. Potential
10 The sum of positive and negative peak value called.
A. R.M.S. value
B. P-P value
C. Peak value
D. Average value

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