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

00:00
Question # 1

The power factor of RL series circuit is.

Question # 2

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

Question # 3

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

Question # 4

Power dissipation in A.C circuit is expressed as:

Question # 5

The peak to peak value of alternating voltage is

Question # 6

An alternating voltage is given by 20 sin 157 t. Th efrequency of alternating voltage is:

Question # 7

In chopke coil the resistance XL an resistance R are:

Question # 8

In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is.

Question # 9

The natural frequency of L.C circuit is equal to

Question # 10

Resistance of choke is

Question # 11

In Pakistan the frequency of A.C. supply is.

Question # 12

In A.C circuit of inductor which one is true

Question # 13

At resonance frequency, the impedance of RLC series circuit is.

Question # 14

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

Question # 15

The main reason for world wide use of A.C is because:

Question # 16

An electromagnetic wave goes from air to glass which of the following does not change?

Question # 17

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

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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 A.C circuit through a capacitor which one is:
A. Current leads voltage by 90∘
B. Current lags behind voltage by 90∘
C. Both will be in phase
D. None of above 
2 The phase difference between current and voltage in an inductive circuit is.
A. zero
B. 90 o
C. 180 o
D. 45o
3 Choke consumes extremely small
A. Current
B. Charge
C. Power
D. Potential
4 The combined effect of resistance and reactance in circuit is called:
A. Impedance
B. Inductance
C. Capacitance
D. None of above
5 In Pakistan the frequency of A.C. supply is.
A. 50 Hz
B. 60 Hz
C. 45 Hz
D. 70 Hz
6 The resonance frequency is given by:
A. fr = 2π√LC
B. fr = 1/2πLC
C. fr = 1/ 2π√LC
D. f1 = 1/ 2πC√L
7 The natural frequency of L.C circuit is equal to
8 Which consumes small power.
A. Inductor
B. Resistor
C. Motor
D. All of these
9 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
10 Power dissipated in a pure inductor is.
A. Large
B. Small
C. Infinite
D. Zero

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