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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Physics FSC Part 2 Chapter 16 Online MCQ's Test

00:00
Question # 1

Electro magnetic waves emitted from radio antenna are.

Question # 2

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

Question # 3

The resonance frequency is given by:

Question # 4

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

Question # 5

The peak to peak value of alternating voltage is

Question # 6

The Basic circuit element in a D.C. circuits which controls the current and voltage is

Question # 7

A capacitor is perfectly insulator for:

Question # 8

In A.C circuit of inductor which one is true

Question # 9

The value of capacitive reactance is given by

Question # 10

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

Question # 11

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

Question # 12

In a pure inductive A.C. circuit the current.

Question # 13

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

Question # 14

The reactance of inductor depends upon

Question # 15

If Io is the peak value of current, then its root mean square value is given by

Question # 16

In chopke coil the resistance XL an resistance R are:

Question # 17

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

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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 In purely resistive A.C circuit, instantaneous value of voltage and current:
A. Current lags behind voltage
B. Current leads voltage by π/2
C. Both are in Phase
D. Voltage leads current by Pase θ=π/2
2 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
3 A capacitor is perfectly insulator for:
A. Direct current
B. Alternating current
C. Direct as well as alternating current
D. None of these
4 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
5 The velocity of an oscillating charge as it moves to and fro along a wire is.
A. Changing
B. Constant
C. Infinite
D. zero
6 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
7 Electro magnetic waves emitted from radio antenna are.
A. Stationary
B. Longitudinal
C. Transvers
D. Both a and b
8 The reactance of inductor depends upon
A. L
D. All of the above
9 In A.C circuit of inductor which one is true
A. Voltage leads current by phase angle π/2
B. Voltage lags current by π/2
C. Current leads voltage by π/2
D. Both remain in phase
10 Power dissipation is a pure inductive or in a pure capacitance circuit is:
A. 106
B. 0
C. 10
D. Maximum

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  • Butt

    Butt

    31 Mar 2020

    I want to give some test

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  • Rimsha

    Rimsha

    20 Oct 2019

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  • atiyahassan

    atiyahassan

    20 Nov 2017

    aoa ....how to download it

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  • zia

    zia

    28 Jun 2016

    thankx

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