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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  • Total Questions17

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Physics FSC Part 2 Chapter 16 Online MCQ's Test

00:00
Question # 1

Electron vibrating 94,000 times each second will produce radio waves of frequency.

Question # 2

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

Question # 3

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

Question # 4

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 # 5

In A.C circuit through a capacitor which one is:

Question # 6

X1is low for low frequency Fy but Xc is.

Question # 7

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

Question # 8

Main reason for world wide use of A.C. is

Question # 9

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

Question # 10

The inductive reactance of a coil is direction proportional to.

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

At high frequency, the current through a capacitor is

Question # 15

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

Question # 16

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

Question # 17

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

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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 AC system we generate sine wave form because:
A. It san be easily draw
B. It produces least disturbance in electrical circuits
C. It is nature standard
D. Other waves cannot be produced easily
2 The power factor of RL series circuit is.
A. 0
B. 1
C. Less then 1
D. More than one
3 The condition of resonance is:
A. XL = 1/2 Xc
B. XL = Xc
C. Xc = 4x2
D. None of above
4 In A.C circuit of inductor which one is true
A. Voltage leads current by phase angle π/2
B. Voltage lags current by π/2
C. Current leads voltage by π/2
D. Both remain in phase
5 The velocity of an oscillating charge as it moves to and fro along a wire is.
A. Changing
B. Constant
C. Infinite
D. zero
6 The phase difference between current and voltage in an inductive circuit is.
A. zero
B. 90 o
C. 180 o
D. 45o
7 The value of capacitive reactance is given by
A. Xc = VI
B. xc= 1/wc or xc= wL
C. xc= 1*wc or xc=Lw
D. All of above
8 The highest value reached by the voltage or current in one cycle is called.
A. Peak ot peak value
B. Peak value
C. Instantaneous value
D. Root mean square value
9 when an inductor comes close to a metallic object, its inductance is.
A. Decreased
B. Increased
C. Becomes half
D. Becomes 4 times
10 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit

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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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