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 resonance frequency is given by:

Question # 2

A capacitor is perfectly insulator for:

Question # 3

The internal resistance of a capacitor is called:

Question # 4

The velocity of an oscillating charge as it moves to and fro along a wire is.

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

The basic circuit element in A.C. circuit which controls current.

Question # 9

The phase difference between the current and voltage at resonce is:

Question # 10

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

Question # 11

The combined effect of resistance and reactance is knows as.

Question # 12

The wave form of alternating voltage is a

Question # 13

In an LRC circiut, the capacitance is made one-fourth, when an resonance . Then what should be change in inductance, so that the circuit remain in resonance?

Question # 14

The main use of A.C is

Question # 15

In A.C circuit of inductor which one is true

Question # 16

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

Question # 17

In three phase voltage across any two lines is about.

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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 During each cycle A.C. voltage reaches a peak value.
A. Once
B. Twice
C. Thrice
D. Four time
2 The reactance is the ratio of
A. Vrms/Irms
B. Vrms x Irms
C. Irms/Vrms
D. Vmax x Vrms
3 In frequency modulation, the amplitude of carrier waves is
A. Increases
B. Remains constant
C. Decreases
D. None of these
4 The main use of A.C is
A. Minimum line losses
B. Long distance transmission
C. Stepping up to required voltage only
D. Steeping down to required voltage only
5 Power dissipation is a pure inductive or in a pure capacitance circuit is:
A. 106
B. 0
C. 10
D. Maximum
6 The A.M. transmission frequencies range from
A. 540 KHz to 1000 KHz
B. 540 Khz to 1600 KHz
C. 520 KHz TO 1600 KHz
D. 520 KHz TO 1400 KHz
7 The power factor of RL series circuit is.
A. 0
B. 1
C. Less then 1
D. More than one
8 An alternating voltage is given by 20 sin 157 t. Th efrequency of alternating voltage is:
A. 50 Hz
B. 25Hz
C. 100 Hz
D. 75 Hz
9 A capacitor is perfectly insulator for:
A. Direct current
B. Alternating current
C. Direct as well as alternating current
D. None of these
10 In A.C circuit through a capacitor which one is:
A. Current leads voltage by 90
B. Current lags behind voltage by 90
C. Both will be in phase
D. None of above 

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  • Butt

    Butt

    31 Mar 2020

    I want to give some test

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  • Rimsha

    Rimsha

    20 Oct 2019

    I am rimsha from kabirwala l am not belong to Lahore plz correct my city name

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    atiyahassan

    20 Nov 2017

    aoa ....how to download it

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  • zia

    zia

    28 Jun 2016

    thankx

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