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

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

Question # 2

Resistance of choke is

Question # 3

The circuit which compares the two voltages is.

Question # 4

A capacitor is perfectly insulator for:

Question # 5

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

Question # 6

In Series resonance circuit the impedance of circuit art resonance frequency, is

Question # 7

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

Question # 8

The power factor of RL series circuit is.

Question # 9

The unit of impedance is

Question # 10

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 # 11

For electromagnetic waves, Maxwell generalized

Question # 12

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

Question # 13

In AC system we generate sine wave form because:

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

The flow of D.C current is opposed by

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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 Electro magnetic waves emitted from radio antenna are.
A. Stationary
B. Longitudinal
C. Transvers
D. Both a and b
2 An electromagnetic wave goes from air to glass which of the following does not change?
A. Radio waves
B. X-rays
C. Ultra violet radiation
D. Ultra sond waves
3 Vrms =
A. 0.7V
B.
0.07V
C. 0.007V
D. 0.75V
4 Which consumes small power.
A. Inductor
B. Resistor
C. Motor
D. All of these
5 The natural frequency of L.C circuit is equal to
6 The main reason for world wide use of A.C is because:
A. It is very high power 
B. It can be transmitted over long distance
C. It is cheaper to use
D. ALl of above
7 The device which allows only the continuous flow of AC through it is.
A. Inductor
B. Battery
C. Thermistor
D. Capacitor
8 Direct current can not flow through.
A. Inductor
B. Resistor
C. Transistor
D. Capacitor
9 The phase difference between current and voltage in an inductive circuit is.
A. zero
B. 90 o
C. 180 o
D. 45o
10 In metal detector, we use.
A. L-C circuit
B. R-L circuit
C. R-C circuit
D. RLC series circuit

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