Second Year Physics Chapter 16 Online MCQ Test for 2nd Year Physics Chapter 16 Alternating Current Preparation

FSC Part 2 Physics
Chapter 16 Test

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MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 16 Online MCQ's Test"

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Physics FSC Part 2 Chapter 16 Online MCQ's Test

00:00
Question # 1

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

Question # 2

A resistance frequency the impedance of RLC parallel circuit is.

Question # 3

The effective value of any sinusoidal alternating current or voltage is

Question # 4

Direct current can not flow through.

Question # 5

The combined effect of resistance and reactance is knows as.

Question # 6

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

Question # 7

The circuit which compares the two voltages is.

Question # 8

Electro magnetic waves emitted from radio antenna are.

Question # 9

An alternating quantity (voltage or current) is completely known if we know its:

Question # 10

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

Question # 11

The natural frequency of L.C circuit is equal to

Question # 12

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

Question # 13

The flow of D.C current is opposed by

Question # 14

Power dissipation in A.C circuit is expressed as:

Question # 15

The slope of q-t curve at any instant of time gives.

Question # 16

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

Question # 17

The condition of resonance is:

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FSC 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 Direct current can not flow through.
A. Inductor
B. Resistor
C. Transistor
D. Capacitor
2 In Pakistan the frequency of A.C. supply is.
A. 50 Hz
B. 60 Hz
C. 45 Hz
D. 70 Hz
3 The peak value of alternating current is 5√2 A. The mean square value of current will be:
A. 5A
B. 2.5A
C. 5√2A
D. 52
4 In three phase A.C supply coils are inclined at an angle of.
A. 0o
B. 90o
C. 120o
D. 80o
5 The effective value of any sinusoidal alternating current or voltage is
D. None of the above
6 Power dissipation is a pure inductive or in a pure capacitance circuit is:
A. 106
B. 0
C. 10
D. Maximum
7 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
8 XL=
A. 2πfL
B. 1/2πfL
C. 2πfL
D. fL/2π
9 In frequency modulation which factor changed.
A. Amplitude of charge carriers
B. Frequency of charge carriers
C. Amplitude of signal
D. Frequency of signal
10 Impedance is denoted by:
A. A 
B. Z
C. P
D. Q

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