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

Vrms =

Question # 2

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

Question # 3

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

Question # 4

The unit of impedance is

Question # 5

Unit of impedance is:

Question # 6

The unit of impedance is.

Question # 7

If Vrms be the root mean square value of emf then its peak to peak value is given by

Question # 8

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

Question # 9

In three phase A.C supply coils are inclined at an angle of.

Question # 10

In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is.

Question # 11

In AC system we generate sine wave form because:

Question # 12

The expression P = VI hold only when current and voltage are.

Question # 13

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

Question # 14

In frequency modulation which factor changed.

Question # 15

The combined effect of resistance and reactance in circuit is called:

Question # 16

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

Question # 17

In case of capacitor, the unit of reactance 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 In metal detector, we use.
A. L-C circuit
B. R-L circuit
C. R-C circuit
D. RLC series circuit
3 The electromagnetic spectrum contains
A. Radio waves
B. X-rays
C. Microwaves
D. All of these
4 The wave form of alternating voltage is a
A. Cotangent curve
B. Cosine curve
C. Sine curve
D. Tangent curve
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 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
7 The main reason for world wide use of A.C is because:
A. It is very high power 
B. It can be transmitted over long distance
C. It is cheaper to use
D. ALl of above
8 100 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
9 Power dissipation in A.C circuit is expressed as:
A. P =Irms x Vrms Sinθ
B. IxVCosθ
C. IrmsxVrmsCosθ
D. Irms x Vrms Sin2θ
10 The phase angle of a series RLC circult at resonant frequency is
A. 1/2
B. sigma
C. Zero
D. sigma /4

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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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