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 peak to peak value of alternating voltage is

Question # 2

The wave form of alternating voltage is a

Question # 3

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

Question # 4

The basic circuit element in A.C. circuit which controls current.

Question # 5

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

Question # 6

In case of capacitor, the unit of reactance is

Question # 7

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

Question # 8

Average value of current and voltage over a complete cycle is.

Question # 9

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

Question # 10

SI unit of reactance is.

Question # 11

The unit of impedance is

Question # 12

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

Question # 13

Radio frequency choke is

Question # 14

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

Question # 15

The A.M. transmission frequencies range from

Question # 16

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

Question # 17

At high frequency the value of reactance of capacitor will be.

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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 phase angle of a series RLC circult at resonant frequency is
A. 1/2
B. sigma
C. Zero
D. sigma /4
2 In Series resonance circuit the impedance of circuit art resonance frequency, is
A. Maximum
B. Minimum
C. It is unequal to R
D. None of above
3 When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.
A. 100 Ohm
B. 10 Ohm
C. 1000 Ohm
D. 1 Ohm
4 In LR circiut which one of the following statements is correct?
A. L and R opposes each other
B. R value increases with frequency
C. The inductive reactance increases with frequency
D. The inductive reactance decreases with frequency
5 The resonance frequency is given by:
A. fr = 2π√LC
B. fr = 1/2πLC
C. fr = 1/ 2π√LC
D. f1 = 1/ 2πC√L
6 A resistance frequency the impedance of RLC parallel circuit is.
A. Zero
B. Infinite
C. Maximum
D. Minimum
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 power factor of RL series circuit is.
A. 0
B. 1
C. Less then 1
D. More than one
9 In modulation, low frequency signal is known as
A. Carrier wave
B. fluctuated signal
C. Modulated carrier signal
D. Modulation signal
10 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

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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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