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

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Question # 1

For electromagnetic waves, Maxwell generalized

Question # 2

when an inductor comes close to a metallic object, its inductance is.

Question # 3

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

Question # 4

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

Question # 5

Power dissipated in a pure inductor is.

Question # 6

Xc =

Question # 7

In AC system we generate sine wave form because:

Question # 8

Resistance of choke is

Question # 9

The internal resistance of a capacitor is called:

Question # 10

An inductor of 1 henry inductance has a reactance 500 ohms, then the frequency required is approximately

Question # 11

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

Question # 12

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

Question # 13

The value of capacitive reactance is given by

Question # 14

Power dissipation in A.C circuit is expressed as:

Question # 15

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

Question # 16

The expression P = VI hold only when current and voltage are.

Question # 17

The reactance of inductor depends upon

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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 The slope of q-t curve at any instant of time gives.
A. Voltage
B. Current
C. Charge
D. Botha a and b
2 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
3 The wave form of alternating voltage is a
A. Cotangent curve
B. Cosine curve
C. Sine curve
D. Tangent curve
4 The device which allows only the flow of D.C. is.
A. Capacitors
B. transformer
C. Inductor
D. Generator
5 The peak to peak value of alternating voltage is
A. 2Vo
B. Vo
D. None of these
6 The flow of D.C current is opposed by
A. Resistor
B. Induction
C. Capacitor
D. All of these
7 At resonance frequency, the impedance of RLC series circuit is.
A. Maximum
B. Minimum
C. Zero
D. Infinite
8 At resonance, the behavior of R-L-C series circuit is.
A. Resistive
B. Capacitive
C. Inductive
D. Modulative
9 When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.
A. 100 Ohm
B. 10 Ohm
C. 1000 Ohm
D. 1 Ohm
10 The basic circuit element in A.C. circuit which controls current.
A. Resistor only
B. Capacitor only
C. Inductor only
D. All of these

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