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 natural frequency of L.C circuit is equal to

Question # 2

The wave form of alternating voltage is a

Question # 3

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

Question # 4

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 # 5

The highest value reached by the voltage or current in one cycle is called.

Question # 6

The combined effect of resistance and reactance is knows as.

Question # 7

The resonance frequency is given by:

Question # 8

A resistance frequency the impedance of RLC parallel circuit is.

Question # 9

In three phase voltage across any two lines is about.

Question # 10

SI unit of reactance is.

Question # 11

At high frequency, the current through a capacitor is

Question # 12

The main use of A.C is

Question # 13

In Pakistan the frequency of A.C. supply is.

Question # 14

For electromagnetic waves, Maxwell generalized

Question # 15

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

Question # 16

The reactance of inductor depends upon

Question # 17

In modulation, low frequency signal is known as

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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 reactance is the ratio of
A. Vrms/Irms
B. Vrms x Irms
C. Irms/Vrms
D. Vmax x Vrms
2 The combined effect of resistance and reactance in circuit is called:
A. Impedance
B. Inductance
C. Capacitance
D. None of above
3 The device which allows only the continuous flow of AC through it is.
A. Inductor
B. Battery
C. Thermistor
D. Capacitor
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 Direct current can not flow through.
A. Inductor
B. Resistor
C. Transistor
D. Capacitor
6 The basic circuit element in A.C. circuit which controls current.
A. Resistor only
B. Capacitor only
C. Inductor only
D. All of these
7 Which consumes small power.
A. Inductor
B. Resistor
C. Motor
D. All of these
8 In three phase A.C supply coils are inclined at an angle of.
A. 0o
B. 90o
C. 120o
D. 80o
9 The device which allows only the flow of D.C. is.
A. Capacitors
B. transformer
C. Inductor
D. Generator
10 A resistance frequency the impedance of RLC parallel circuit is.
A. Zero
B. Infinite
C. Maximum
D. Minimum

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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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