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 frequency modulation, the amplitude of carrier waves is

Question # 2

The inductive reactance of a coil is direction proportional to.

Question # 3

In purely resistive A.C circuit, instantaneous value of voltage and current:

Question # 4

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

Question # 5

In pure capacitor A.C. circuit, the current I and charge q are.

Question # 6

An in cudutor may store energy in

Question # 7

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

Question # 8

The AC system is preferred to DC system because:

Question # 9

The sum of positive and negative peak value called.

Question # 10

The condition of resonance is:

Question # 11

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

Question # 12

Power dissipation in A.C circuit is expressed as:

Question # 13

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

Question # 14

A capacitor is perfectly insulator for:

Question # 15

Power dissipated in a pure inductor is.

Question # 16

High frequency radio wave is called as

Question # 17

SI unit of reactance 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 SI unit of reactance is.
A. Ohm
B. Mho
C. Farad
D. Henry
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 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
4 The basic circuit element in A.C. circuit which controls current.
A. Resistor only
B. Capacitor only
C. Inductor only
D. All of these
5 In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is.
A. 90o
B. 270o
C. 0o
D. 180o
6 The reactance of inductor depends upon
A. L
D. All of the above
7 An alternating voltage is given by 20 sin 157 t. Th efrequency of alternating voltage is:
A. 50 Hz
B. 25Hz
C. 100 Hz
D. 75 Hz
8 In Pakistan the frequency of A.C. supply is.
A. 50 Hz
B. 60 Hz
C. 45 Hz
D. 70 Hz
9 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
10 The slope of q-t curve at any instant of time gives.
A. Voltage
B. Current
C. Charge
D. Botha a and b

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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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