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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MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 16 Online MCQ's Test"

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Physics FSC Part 2 Chapter 16 Online MCQ's Test

00:00
Question # 1

The reactance of inductor depends upon

Question # 2

In case of A.C. through resistor V and I are

Question # 3

In three phase A.C. generator the phase difference between each pair of coil is.

Question # 4

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

Question # 5

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

Question # 6

The sum of positive and negative peak value called.

Question # 7

Power dissipated in a pure inductor is.

Question # 8

The AC system is preferred to DC system because:

Question # 9

The peak value of alternating current is 5√2 A. The mean square value of current will be:

Question # 10

when an inductor comes close to a metallic object, its inductance is.

Question # 11

An A.C. voltmeter reads 220 V, its peak value will be

Question # 12

The A.M. transmission frequencies range from

Question # 13

The natural frequency of L.C circuit is equal to

Question # 14

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

Question # 15

In AC system we generate sine wave form because:

Question # 16

In RLC circuit the energy is dissipated in

Question # 17

The phase difference between the current and voltage at resonce 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 velocity of an oscillating charge as it moves to and fro along a wire is.
A. Changing
B. Constant
C. Infinite
D. zero
2 The inductive reactance of a coil is direction proportional to.
A. Inductance
B. Resistance
C. Frequency of A.C.
D. Both frequency of A.C. and inductance
3 Vrms =
A. 0.7V
B.
0.07V
C. 0.007V
D. 0.75V
4 In A.C circuit of inductor which one is true
A. Voltage leads current by phase angle π/2
B. Voltage lags current by π/2
C. Current leads voltage by π/2
D. Both remain in phase
5 In chopke coil the resistance XL an resistance R are:
A. XL=R
B. XL<<R
C. XL>>R
D. XL=
6 If Io is the peak value of current, then its root mean square value is given by
B. 2 Io
C. Io
D. 0.7 Io
7 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
8 The reactance is the ratio of
A. Vrms/Irms
B. Vrms x Irms
C. Irms/Vrms
D. Vmax x Vrms
9 The circuit in which current and voltage are in phase, the power factor is:
A. Zero
B. 1
C. -1
D. 2
10 XL=
A. 2πfL
B. 1/2πfL
C. 2πfL
D. fL/2π

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  • Butt

    Butt

    31 Mar 2020

    I want to give some test

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    Rimsha

    20 Oct 2019

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    atiyahassan

    20 Nov 2017

    aoa ....how to download it

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    zia

    28 Jun 2016

    thankx

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