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 main reason for world wide use of A.C is because:

Question # 2

Electro magnetic waves emitted from radio antenna are.

Question # 3

High frequency radio wave is called as

Question # 4

Xc =

Question # 5

The combined effect of resistance and reactance in circuit is called:

Question # 6

The flow of D.C current is opposed by

Question # 7

If Vrms be the root mean square value of emf then its peak to peak value is given by

Question # 8

An in cudutor may store energy in

Question # 9

Choke consumes extremely small

Question # 10

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

Question # 11

The internal resistance of a capacitor is called:

Question # 12

At high frequency, the current through a capacitor is

Question # 13

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 # 14

A resistance frequency the impedance of RLC parallel circuit is.

Question # 15

Power dissipation in A.C circuit is expressed as:

Question # 16

In modulation, low frequency signal is known as

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 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
2 At high frequency the value of reactance of capacitor will be.
A. Small
B. Zero
C. Large
D. Infinite
3 The power factor of RL series circuit is.
A. 0
B. 1
C. Less then 1
D. More than one
4 The reactance is the ratio of
A. Vrms/Irms
B. Vrms x Irms
C. Irms/Vrms
D. Vmax x Vrms
5 100 micro F capacitor is connects to an AC voltage 24 V and frequency 50 Hz. The reactance of the capacitor is.
A. 30.8 Ohm
B. 31.8 Ohm
C. 34.8 Ohm
D. 40 Ohm
6 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
7 If Vrms be the root mean square value of emf then its peak to peak value is given by
8 The highest value reached by the voltage or current in one cycle is called.
A. Peak ot peak value
B. Peak value
C. Instantaneous value
D. Root mean square value
9 In three phase A.C supply coils are inclined at an angle of.
A. 0o
B. 90o
C. 120o
D. 80o
10 Power dissipation is a pure inductive or in a pure capacitance circuit is:
A. 106
B. 0
C. 10
D. Maximum

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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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