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

In chopke coil the resistance XL an resistance R are:

Question # 3

Phase difference between V and I of an A.C through resistor is.

Question # 4

The velocity of an oscillating charge as it moves to and fro along a wire is.

Question # 5

The device which allows only the continuous flow of AC through it is.

Question # 6

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

Question # 7

When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.

Question # 8

The reactance of inductor depends upon

Question # 9

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

Question # 10

Electron vibrating 94,000 times each second will produce radio waves of frequency.

Question # 11

Vrms =

Question # 12

The AC system is preferred to DC system because:

Question # 13

Radio frequency choke is

Question # 14

Main reason for world wide use of A.C. is

Question # 15

Which consumes small power.

Question # 16

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

Question # 17

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

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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 RLC circuit the energy is dissipated in
A. R only
B. R and L
C. R and C
D. L and C
2 Radio frequency choke is
A. Iron cored
B. Air Cored
C. Air as well as iron cored
D. None of these
3 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
4 The basic circuit element in A.C. circuit which controls current.
A. Resistor only
B. Capacitor only
C. Inductor only
D. All of these
5 Which consumes small power.
A. Inductor
B. Resistor
C. Motor
D. All of these
6 At high frequency the value of reactance of capacitor will be.
A. Small
B. Zero
C. Large
D. Infinite
7 The resonance frequency is given by:
A. fr = 2π√LC
B. fr = 1/2πLC
C. fr = 1/ 2π√LC
D. f1 = 1/ 2πC√L
8 Direct current can not flow through.
A. Inductor
B. Resistor
C. Transistor
D. Capacitor
9 Vrms =
A. 0.7V
B.
0.07V
C. 0.007V
D. 0.75V
10 If the frequency of A.C. supplied is doubled then the capacitive reactance becomes.
A. Half
B. Two
C. Four times
D. One fourth

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