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 sum of positive and negative peak value called.

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

Xc =

Question # 6

The natural frequency of L.C circuit is equal to

Question # 7

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

Question # 8

Impedance is denoted by:

Question # 9

XL=

Question # 10

Power dissipated in a pure inductor is.

Question # 11

In an LRC circiut, the capacitance is made one-fourth, when an resonance . Then what should be change in inductance, so that the circuit remain in resonance?

Question # 12

In case of capacitor, the unit of reactance is

Question # 13

SI unit of reactance is.

Question # 14

A resistance frequency the impedance of RLC parallel circuit is.

Question # 15

The slope of q-t curve at any instant of time gives.

Question # 16

The main use of A.C is

Question # 17

The phase difference between the current and voltage at resonce 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 In A.C circuit through a capacitor which one is:
A. Current leads voltage by 90
B. Current lags behind voltage by 90
C. Both will be in phase
D. None of above 
2 During each cycle A.C. voltage reaches a peak value.
A. Once
B. Twice
C. Thrice
D. Four time
3 A resistance frequency the impedance of RLC parallel circuit is.
A. Zero
B. Infinite
C. Maximum
D. Minimum
4 In purely resistive A.C circuit, instantaneous value of voltage and current:
A. Current lags behind voltage
B. Current leads voltage by π/2
C. Both are in Phase
D. Voltage leads current by Pase θ=π/2
5 SI unit of reactance is.
A. Ohm
B. Mho
C. Farad
D. Henry
6 The circuit in which current and voltage are in phase, the power factor is:
A. Zero
B. 1
C. -1
D. 2
7 Choke consumes extremely small
A. Current
B. Charge
C. Power
D. Potential
8 Power dissipation is a pure inductive or in a pure capacitance circuit is:
A. 106
B. 0
C. 10
D. Maximum
9 At resonance, the behavior of R-L-C series circuit is.
A. Resistive
B. Capacitive
C. Inductive
D. Modulative
10 The wave form of alternating voltage is a
A. Cotangent curve
B. Cosine curve
C. Sine curve
D. Tangent curve

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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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