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

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

Question # 2

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

Question # 3

Power dissipation in A.C circuit is expressed as:

Question # 4

In frequency modulation, the amplitude of carrier waves is

Question # 5

In modulation, low frequency signal is known as

Question # 6

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

Question # 7

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

Question # 8

The reactance of inductor depends upon

Question # 9

A capacitor is perfectly insulator for:

Question # 10

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

Question # 11

The phase difference between current and voltage in an inductive circuit is.

Question # 12

The main use of A.C is

Question # 13

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

Question # 14

The power factor of RL series circuit is.

Question # 15

Electro magnetic waves emitted from radio antenna are.

Question # 16

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

Question # 17

An alternating quantity (voltage or current) is completely known if we know its:

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16th Chapter

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 The flow of D.C current is opposed by
A. Resistor
B. Induction
C. Capacitor
D. All of these
3 Average value of current and voltage over a complete cycle is.
A. Positive
B. Negative
C. Zero
D. Infinite
4 The unit of impedance is
A. Farad
B. Henry
C. Tesla
D. Ohm
5 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
6 The sum of positive and negative peak value called.
A. R.M.S. value
B. P-P value
C. Peak value
D. Average value
7 At high frequency, the current through a capacitor is
A. Small
B. Infinity
C. Zero
D. Large
8 Power dissipation in A.C circuit is expressed as:
A. P =Irms x Vrms Sinθ
B. IxVCosθ
C. IrmsxVrmsCosθ
D. Irms x Vrms Sin2θ
9 Electron vibrating 94,000 times each second will produce radio waves of frequency.
A. 94 Hz
B. 940 HZ
C. 94 Hz
D. 490 Hz
10 The peak value of alternating current is 5√2 A. The mean square value of current will be:
A. 5A
B. 2.5A
C. 5√2A
D. 52

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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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