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

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

Question # 2

The internal resistance of a capacitor is called:

Question # 3

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

Question # 4

The combined effect of resistance and reactance is knows as.

Question # 5

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

Question # 6

The flow of D.C current is opposed by

Question # 7

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

Question # 8

The electromagnetic spectrum contains

Question # 9

For electromagnetic waves, Maxwell generalized

Question # 10

The AC system is preferred to DC system because:

Question # 11

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

Question # 12

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

Question # 13

If the frequency of A.C. supplied is doubled then the capacitive reactance becomes.

Question # 14

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

Question # 15

Impedance is denoted by:

Question # 16

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

Question # 17

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

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16th Chapter

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 Power dissipation is a pure inductive or in a pure capacitance circuit is:
A. 106
B. 0
C. 10
D. Maximum
2 The phase angle of a series RLC circult at resonant frequency is
A. 1/2
B. sigma
C. Zero
D. sigma /4
3 If Vrms be the root mean square value of emf then its peak to peak value is given by
4 Unit of impedance is:
A. Ohm
B. Ohm-1
C. no unit
D. Ohm m-1
5 The highest value reached by the voltage or current in one cycle is called.
A. Peak ot peak value
B. Peak value
C. Instantaneous value
D. Root mean square value
6 The expression P = VI hold only when current and voltage are.
A. In phase
B. Out of phase
C. At right angle to each other
D. At angle of 120 o
7 An alternating quantity (voltage or current) is completely known if we know its:
A. Maximum
B. Frequency and phase
C. Effective value
D. Both (a) & (b)
8 Main reason for world wide use of A.C. is
A. It is cheaper
B. Transmitted
C. Botha a and b
D. Reaches in short time
9 The highest value reached by the voltage or current is one cycle is called:
A. Peak to peak value
B. Peak value
C.
Instantaneous value
D. Root mean square value
10 The peak to peak value of alternating voltage is
A. 2Vo
B. Vo
D. None of these

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