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 peak to peak value of alternating voltage is

Question # 2

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

Question # 3

In pure capacitor A.C. circuit, the current I and charge q are.

Question # 4

The A.M. transmission frequencies range from

Question # 5

The sum of positive and negative peak value called.

Question # 6

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

Question # 7

In modulation, low frequency signal is known as

Question # 8

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

Question # 9

At high frequency, the current through a capacitor is

Question # 10

An in cudutor may store energy in

Question # 11

The power factor of RL series circuit is.

Question # 12

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

Question # 13

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

Question # 14

An alternating quantity (voltage or current) is completely known if we know its:

Question # 15

During each cycle A.C. voltage reaches a peak value.

Question # 16

The main use of A.C is

Question # 17

The circuit which compares the two voltages 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 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
2 The combined effect of resistance and reactance in circuit is called:
A. Impedance
B. Inductance
C. Capacitance
D. None of above
3 The natural frequency of L.C circuit is equal to
4 The electromagnetic spectrum contains
A. Radio waves
B. X-rays
C. Microwaves
D. All of these
5 The reactance is the ratio of
A. Vrms/Irms
B. Vrms x Irms
C. Irms/Vrms
D. Vmax x Vrms
6 The phase angle of a series RLC circult at resonant frequency is
A. 1/2
B. sigma
C. Zero
D. sigma /4
7 Power dissipation is a pure inductive or in a pure capacitance circuit is:
A. 106
B. 0
C. 10
D. Maximum
8 At high frequency, the current through a capacitor is
A. Small
B. Infinity
C. Zero
D. Large
9 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
10 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

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  • Butt

    Butt

    31 Mar 2020

    I want to give some test

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    Rimsha

    20 Oct 2019

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    atiyahassan

    20 Nov 2017

    aoa ....how to download it

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    zia

    28 Jun 2016

    thankx

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