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 AC system we generate sine wave form because:

Question # 2

An alternating voltage is given by 20 sin 157 t. Th efrequency of alternating voltage is:

Question # 3

At resonance, the behavior of R-L-C series circuit is.

Question # 4

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

Question # 5

The value of capacitive reactance is given by

Question # 6

The inductive reactance of a coil is direction proportional to.

Question # 7

Choke consumes extremely small

Question # 8

X1is low for low frequency Fy but Xc is.

Question # 9

The electromagnetic spectrum contains

Question # 10

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

Question # 11

The circuit in which current and voltage are in phase, the power factor is:

Question # 12

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

Question # 13

The device which allows only the continuous flow of AC through it is.

Question # 14

The mean value of A.C. in a cycle is.

Question # 15

Power dissipation in A.C circuit is expressed as:

Question # 16

In LR circiut which one of the following statements is correct?

Question # 17

An A.C. voltmeter reads 220 V, its peak value 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 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
2 At high frequency, the current through a capacitor is
A. Small
B. Infinity
C. Zero
D. Large
3 The circuit in which current and voltage are in phase, the power factor is:
A. Zero
B. 1
C. -1
D. 2
4 For electromagnetic waves, Maxwell generalized
A. Gauses law for magnetism
B. Gauses law for eletricity
C. Fradays law
D. Amperes law
5 The peak value of A.C source is 20 A, then its rms value will be.
A. 14.1 A
B. 10 A
C. 20 A
D. 28.2 A
6 100 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
7 A resistance frequency the impedance of RLC parallel circuit is.
A. Zero
B. Infinite
C. Maximum
D. Minimum
8 The phase difference between current and voltage in an inductive circuit is.
A. zero
B. 90 o
C. 180 o
D. 45o
9 A capacitor is perfectly insulator for:
A. Direct current
B. Alternating current
C. Direct as well as alternating current
D. None of these
10 During each cycle A.C. voltage reaches a peak value.
A. Once
B. Twice
C. Thrice
D. Four time

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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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