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 circuit which compares the two voltages is.

Question # 2

In AC system we generate sine wave form because:

Question # 3

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

Question # 4

The reactance of inductor depends upon

Question # 5

The unit of impedance is

Question # 6

The power factor of RL series circuit is.

Question # 7

For electromagnetic waves, Maxwell generalized

Question # 8

Power dissipation in A.C circuit is expressed as:

Question # 9

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

Question # 10

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

Question # 11

The main use of A.C is

Question # 12

In RLC circuit the energy is dissipated in

Question # 13

The phase angle of a series RLC circult at resonant frequency is

Question # 14

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

Question # 15

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

Question # 16

The effective value of any sinusoidal alternating current or voltage is

Question # 17

Xc =

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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 SI unit of reactance is.
A. Ohm
B. Mho
C. Farad
D. Henry
2 The slope of q-t curve at any instant of time gives.
A. Voltage
B. Current
C. Charge
D. Botha a and b
3 If the frequency of A.C. supplied is doubled then the capacitive reactance becomes.
A. Half
B. Two
C. Four times
D. One fourth
4 Average value of current and voltage over a complete cycle is.
A. Positive
B. Negative
C. Zero
D. Infinite
5 At resonance frequency, the impedance of RLC series circuit is.
A. Maximum
B. Minimum
C. Zero
D. Infinite
6 For electromagnetic waves, Maxwell generalized
A. Gauses law for magnetism
B. Gauses law for eletricity
C. Fradays law
D. Amperes law
7 X1is low for low frequency Fy but Xc is.
A. Zero
B. Low
C. High
D. Same is H
8 The resonance frequency is given by:
A. fr = 2π√LC
B. fr = 1/2πLC
C. fr = 1/ 2π√LC
D. f1 = 1/ 2πC√L
9 Main reason for world wide use of A.C. is
A. It is cheaper
B. Transmitted
C. Botha a and b
D. Reaches in short time
10 The velocity of an oscillating charge as it moves to and fro along a wire is.
A. Changing
B. Constant
C. Infinite
D. zero

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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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