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

The combined effect of resistance and reactance is knows as.

Question # 2

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

Question # 3

The resonance frequency is given by:

Question # 4

In AC system we generate sine wave form because:

Question # 5

In frequency modulation, the amplitude of carrier waves is

Question # 6

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

Question # 7

The electromagnetic spectrum contains

Question # 8

The flow of D.C current is opposed by

Question # 9

In RLC circuit the energy is dissipated in

Question # 10

An electromagnetic wave goes from air to glass which of the following does not change?

Question # 11

The device which allows only the continuous flow of AC through it is.

Question # 12

The peak to peak value of alternating voltage is

Question # 13

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

Question # 14

The phase difference between current and voltage in an inductive circuit is.

Question # 15

In purely resistive A.C circuit, instantaneous value of voltage and current:

Question # 16

A capacitor is perfectly insulator for:

Question # 17

The Basic circuit element in a D.C. circuits which controls the current and voltage 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 effective value of any sinusoidal alternating current or voltage is
D. None of the above
2 The value of capacitive reactance is given by
A. Xc = VI
B. xc= 1/wc or xc= wL
C. xc= 1*wc or xc=Lw
D. All of above
3 During each cycle A.C. voltage reaches a peak value.
A. Once
B. Twice
C. Thrice
D. Four time
4 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
5 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
6 The combined effect of resistance and reactance in circuit is called:
A. Impedance
B. Inductance
C. Capacitance
D. None of above
7 The AC system is preferred to DC system because:
A. AC voltage can be easily changed in magnitude
B. DC motor angular velocity is affected badly
C. High voltage AC transmission is less efficient
D. Domestic appliance require AC voltage for their operation
8 In case of A.C. through resistor V and I are
A. At 0 o with each other
B. At 180 o with each other
C. At 90 o with each other
D. At 270 o with each other
9 Power dissipation is a pure inductive or in a pure capacitance circuit is:
A. 106
B. 0
C. 10
D. Maximum
10 The combined effect of resistance and reactance is knows as.
A. Inductance
B. Conductance
C. Resistance
D. Impedance

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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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