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 A.C circuit of inductor which one is true

Question # 2

When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.

Question # 3

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

Question # 4

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

Question # 5

The reactance of inductor depends upon

Question # 6

The Basic circuit element in a D.C. circuits which controls the current and voltage is

Question # 7

The most common source of an A.C. Voltage is.

Question # 8

In chopke coil the resistance XL an resistance R are:

Question # 9

Power dissipation is a pure inductive or in a pure capacitance circuit is:

Question # 10

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

Question # 11

The sum of positive and negative peak value called.

Question # 12

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

Question # 13

Unit of impedance is:

Question # 14

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

Question # 15

If the frequency of A.C. supplied is doubled then the capacitive reactance becomes.

Question # 16

The electromagnetic spectrum contains

Question # 17

The velocity of an oscillating charge as it moves to and fro along a wire 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 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
2 when an inductor comes close to a metallic object, its inductance is.
A. Decreased
B. Increased
C. Becomes half
D. Becomes 4 times
3 The peak to peak value of alternating voltage is
A. 2Vo
B. Vo
D. None of these
4 The expression P = VI hold only when current and voltage are.
A. In phase
B. Out of phase
C. At right angle to each other
D. At angle of 120 o
5 Direct current can not flow through.
A. Inductor
B. Resistor
C. Transistor
D. Capacitor
6 In case of A.C. through resistor V and I are
A. At 0 o with each other
B. At 180 o with each other
C. At 90 o with each other
D. At 270 o with each other
7 In chopke coil the resistance XL an resistance R are:
A. XL=R
B. XL<<R
C. XL>>R
D. XL=
8 When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.
A. 100 Ohm
B. 10 Ohm
C. 1000 Ohm
D. 1 Ohm
9 Phase difference between V and I of an A.C through resistor is.
A. Zero Degree
B. 90 o
C. 80o
D. 120o
10 SI unit of reactance is.
A. Ohm
B. Mho
C. Farad
D. Henry

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  • Butt

    Butt

    31 Mar 2020

    I want to give some test

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  • Rimsha

    Rimsha

    20 Oct 2019

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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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