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

In three phase A.C supply coils are inclined at an angle of.

Question # 2

Power dissipated in a pure inductor is.

Question # 3

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 # 4

X1is low for low frequency Fy but Xc is.

Question # 5

The value of capacitive reactance is given by

Question # 6

The electromagnetic spectrum contains

Question # 7

In metal detector, we use.

Question # 8

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

Question # 9

Which consumes small power.

Question # 10

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

Question # 11

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

Question # 12

Electro magnetic waves emitted from radio antenna are.

Question # 13

In A.C circuit through a capacitor which one is:

Question # 14

In LR circiut which one of the following statements is correct?

Question # 15

The reactance is the ratio of

Question # 16

Impedance is denoted by:

Question # 17

High frequency radio wave is called 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 Direct current can not flow through.
A. Inductor
B. Resistor
C. Transistor
D. Capacitor
2 In purely resistive A.C circuit, instantaneous value of voltage and current:
A. Current lags behind voltage
B. Current leads voltage by π/2
C. Both are in Phase
D. Voltage leads current by Pase θ=π/2
3 In Pakistan the frequency of A.C. supply is.
A. 50 Hz
B. 60 Hz
C. 45 Hz
D. 70 Hz
4 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
5 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
6 For electromagnetic waves, Maxwell generalized
A. Gauses law for magnetism
B. Gauses law for eletricity
C. Fradays law
D. Amperes law
7 The circuit in which current and voltage are in phase, the power factor is:
A. Zero
B. 1
C. -1
D. 2
8 The main reason for world wide use of A.C is because:
A. It is very high power 
B. It can be transmitted over long distance
C. It is cheaper to use
D. ALl of above
9 Power dissipated in a pure inductor is.
A. Large
B. Small
C. Infinite
D. Zero
10 The power factor of RL series circuit is.
A. 0
B. 1
C. Less then 1
D. More than one

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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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