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

A resistance frequency the impedance of RLC parallel circuit is.

Question # 2

The reactance of inductor depends upon

Question # 3

In A.C circuit of inductor which one is true

Question # 4

A capacitor is perfectly insulator for:

Question # 5

For electromagnetic waves, Maxwell generalized

Question # 6

Resistance of choke is

Question # 7

Radio frequency choke is

Question # 8

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 # 9

The electromagnetic spectrum contains

Question # 10

Impedance is denoted by:

Question # 11

High frequency radio wave is called as

Question # 12

The unit of impedance is

Question # 13

In three phase voltage across any two lines is about.

Question # 14

At high frequency the value of reactance of capacitor will be.

Question # 15

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

Question # 16

Average value of current and voltage over a complete cycle is.

Question # 17

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

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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 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
2 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
3 In Pakistan the frequency of A.C. supply is.
A. 50 Hz
B. 60 Hz
C. 45 Hz
D. 70 Hz
4 The peak value of A.C source is 20 A, then its rms value will be.
A. 14.1 A
B. 10 A
C. 20 A
D. 28.2 A
5 In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve is.
A. Maximum
B. Minimum
C. Zero
D. Negative
6 In frequency modulation which factor changed.
A. Amplitude of charge carriers
B. Frequency of charge carriers
C. Amplitude of signal
D. Frequency of signal
7 X1is low for low frequency Fy but Xc is.
A. Zero
B. Low
C. High
D. Same is H
8 The combined effect of resistance and reactance in circuit is called:
A. Impedance
B. Inductance
C. Capacitance
D. None of above
9 The device which allows only the continuous flow of AC through it is.
A. Inductor
B. Battery
C. Thermistor
D. Capacitor
10 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

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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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