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

Power dissipated in a pure inductor is.

Question # 2

The AC system is preferred to DC system because:

Question # 3

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

Question # 4

For electromagnetic waves, Maxwell generalized

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

Vrms =

Question # 11

In A.C circuit of inductor which one is true

Question # 12

The reactance is the ratio of

Question # 13

In frequency modulation, the amplitude of carrier waves is

Question # 14

The A.M. transmission frequencies range from

Question # 15

The phase difference between the current and voltage at resonce is:

Question # 16

The peak value of A.C source is 20 A, then its rms value will be.

Question # 17

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

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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 The combined effect of resistance and reactance is knows as.
A. Inductance
B. Conductance
C. Resistance
D. Impedance
2 Which consumes small power.
A. Inductor
B. Resistor
C. Motor
D. All of these
3 In case of capacitor, the unit of reactance is
A. Farad
B. Ohm
C. Newton
D. All of these
4 If Io is the peak value of current, then its root mean square value is given by
B. 2 Io
C. Io
D. 0.7 Io
5 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
6 Power dissipation in A.C circuit is expressed as:
A. P =Irms x Vrms Sinθ
B. IxVCosθ
C. IrmsxVrmsCosθ
D. Irms x Vrms Sin2θ
7 The device which allows only the continuous flow of AC through it is.
A. Inductor
B. Battery
C. Thermistor
D. Capacitor
8 In three phase A.C supply coils are inclined at an angle of.
A. 0o
B. 90o
C. 120o
D. 80o
9 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
10 If Vrms be the root mean square value of emf then its peak to peak value is given by

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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

    20 Nov 2017

    aoa ....how to download it

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  • zia

    zia

    28 Jun 2016

    thankx

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