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

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

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

The flow of D.C current is opposed by

Question # 7

The wave form of alternating voltage is a

Question # 8

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

Question # 9

Vrms =

Question # 10

Impedance is denoted by:

Question # 11

The unit of impedance is.

Question # 12

The effective value of any sinusoidal alternating current or voltage is

Question # 13

In AC system we generate sine wave form because:

Question # 14

The reactance is the ratio of

Question # 15

Xc =

Question # 16

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

Question # 17

The electromagnetic spectrum contains

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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 In three phase A.C. generator the phase difference between each pair of coil is.
A. 45o
B. 90o
C. 120o
D. 60o
2 X1is low for low frequency Fy but Xc is.
A. Zero
B. Low
C. High
D. Same is H
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 phase difference between the current and voltage at resonce is:
A. 0
B. π
C. -π
D. π/2
5 Electro magnetic waves emitted from radio antenna are.
A. Stationary
B. Longitudinal
C. Transvers
D. Both a and b
6 The natural frequency of L.C circuit is equal to
7 An electromagnetic wave goes from air to glass which of the following does not change?
A. Radio waves
B. X-rays
C. Ultra violet radiation
D. Ultra sond waves
8 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
9 In RLC circuit the energy is dissipated in
A. R only
B. R and L
C. R and C
D. L and C
10 Power dissipated in a pure inductor is.
A. Large
B. Small
C. Infinite
D. Zero

Test Questions

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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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