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 in circuit is called:

Question # 2

The sum of positive and negative peak value called.

Question # 3

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

Question # 4

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

Question # 5

The most common source of an A.C. Voltage is.

Question # 6

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

Question # 7

The resonance frequency is given by:

Question # 8

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

Question # 9

Direct current can not flow through.

Question # 10

The internal resistance of a capacitor is called:

Question # 11

Electron vibrating 94,000 times each second will produce radio waves of frequency.

Question # 12

In AC system we generate sine wave form because:

Question # 13

The main reason for world wide use of A.C is because:

Question # 14

For electromagnetic waves, Maxwell generalized

Question # 15

Main reason for world wide use of A.C. is

Question # 16

The device which allows only the flow of D.C. is.

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 AC system we generate sine wave form because:
A. It san be easily draw
B. It produces least disturbance in electrical circuits
C. It is nature standard
D. Other waves cannot be produced easily
2 XL=
A. 2πfL
B. 1/2πfL
C. 2πfL
D. fL/2π
3 The resonance frequency is given by:
A. fr = 2π√LC
B. fr = 1/2πLC
C. fr = 1/ 2π√LC
D. f1 = 1/ 2πC√L
4 X1is low for low frequency Fy but Xc is.
A. Zero
B. Low
C. High
D. Same is H
5 Impedance is denoted by:
A. A 
B. Z
C. P
D. Q
6 The device which allows only the continuous flow of AC through it is.
A. Inductor
B. Battery
C. Thermistor
D. Capacitor
7 The circuit in which current and voltage are in phase, the power factor is:
A. Zero
B. 1
C. -1
D. 2
8 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
9 The phase difference between the current and voltage at resonce is:
A. 0
B. π
C. -π
D. π/2
10 The phase difference between current and voltage in an inductive circuit is.
A. zero
B. 90 o
C. 180 o
D. 45o

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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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