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

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Question # 1

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

Question # 2

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

Question # 3

A resistance frequency the impedance of RLC parallel circuit is.

Question # 4

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

Question # 5

Direct current can not flow through.

Question # 6

In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is.

Question # 7

The internal resistance of a capacitor is called:

Question # 8

In frequency modulation, the amplitude of carrier waves is

Question # 9

Power dissipated in a pure inductor is.

Question # 10

Electro magnetic waves emitted from radio antenna are.

Question # 11

Power dissipation in A.C circuit is expressed as:

Question # 12

The mean value of A.C. in a cycle is.

Question # 13

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

Question # 14

In AC system we generate sine wave form because:

Question # 15

Xc =

Question # 16

The value of capacitive reactance is given by

Question # 17

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

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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 An inductor of 1 henry inductance has a reactance 500 ohms, then the frequency required is approximately
A. 50 Hz
B. 100 Hz
C. 80 Hz
D. 120 Hz
3 An A.C. voltmeter reads 220 V, its peak value will be
A. 225 V
B. 240 V
C. 311.12 V
D. 300 V
4 The electromagnetic spectrum contains
A. Radio waves
B. X-rays
C. Microwaves
D. All of these
5 Electro magnetic waves emitted from radio antenna are.
A. Stationary
B. Longitudinal
C. Transvers
D. Both a and b
6 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
7 Radio frequency choke is
A. Iron cored
B. Air Cored
C. Air as well as iron cored
D. None of these
8 The mean value of A.C. in a cycle is.
A. 1
B. 0
C. I2
D. Nil
9 If Vrms be the root mean square value of emf then its peak to peak value is given by
10 In three phase A.C supply coils are inclined at an angle of.
A. 0o
B. 90o
C. 120o
D. 80o

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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

    atiyahassan

    20 Nov 2017

    aoa ....how to download it

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  • zia

    zia

    28 Jun 2016

    thankx

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