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

Electro magnetic waves emitted from radio antenna are.

Question # 2

Power dissipated in a pure inductor is.

Question # 3

High frequency radio wave is called as

Question # 4

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

Question # 5

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

Question # 6

The flow of D.C current is opposed by

Question # 7

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

Question # 8

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

Question # 9

Xc =

Question # 10

At high frequency, the current through a capacitor is

Question # 11

Resistance of choke is

Question # 12

In A.C circuit of inductor which one is true

Question # 13

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

Question # 14

100 micro F capacitor is connects to an AC voltage 24 V and frequency 50 Hz. The reactance of the capacitor is.

Question # 15

If Vrms be the root mean square value of emf then its peak to peak value is given by

Question # 16

The power factor of RL series circuit is.

Question # 17

In case of A.C. through resistor V and I are

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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 electromagnetic spectrum contains
A. Radio waves
B. X-rays
C. Microwaves
D. All of these
2 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
3 In pure capacitor A.C. circuit, the current I and charge q are.
A. In phase
B. Out of phase
C. Parallel to each other
D. None of above
4 The power factor of RL series circuit is.
A. 0
B. 1
C. Less then 1
D. More than one
5 Radio frequency choke is
A. Iron cored
B. Air Cored
C. Air as well as iron cored
D. None of these
6 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
7 In frequency modulation, the amplitude of carrier waves is
A. Increases
B. Remains constant
C. Decreases
D. None of these
8 In metal detector, we use.
A. L-C circuit
B. R-L circuit
C. R-C circuit
D. RLC series circuit
9 Power dissipated in a pure inductor is.
A. Large
B. Small
C. Infinite
D. Zero
10 Phase difference between V and I of an A.C through resistor is.
A. Zero Degree
B. 90 o
C. 80o
D. 120o

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