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 case of A.C. through resistor V and I are

Question # 2

Radio frequency choke is

Question # 3

Direct current can not flow through.

Question # 4

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

Question # 5

For electromagnetic waves, Maxwell generalized

Question # 6

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

Question # 7

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

Question # 8

In A.C circuit of inductor which one is true

Question # 9

The reactance is the ratio of

Question # 10

The AC system is preferred to DC system because:

Question # 11

At resonance frequency, the impedance of RLC series circuit is.

Question # 12

During each cycle A.C. voltage reaches a peak value.

Question # 13

In Series resonance circuit the impedance of circuit art resonance frequency, is

Question # 14

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

Question # 15

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

Question # 16

The combined effect of resistance and reactance is knows as.

Question # 17

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

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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 SI unit of reactance is.
A. Ohm
B. Mho
C. Farad
D. Henry
2 Power dissipation is a pure inductive or in a pure capacitance circuit is:
A. 106
B. 0
C. 10
D. Maximum
3 Xc =
A. 1/2πfc
B. 2πfc
C. 2π/fc
D. fc/2π
4 Which consumes small power.
A. Inductor
B. Resistor
C. Motor
D. All of these
5 In a pure inductive A.C. circuit the current.
A. Lags behind voltage by 90 o
B. Leads the voltage by 90 o
C. In phase with voltage
D. Leads the voltage by 270 o
6 The unit of impedance is
A. Farad
B. Henry
C. Tesla
D. Ohm
7 The main use of A.C is
A. Minimum line losses
B. Long distance transmission
C. Stepping up to required voltage only
D. Steeping down to required voltage only
8 In frequency modulation which factor changed.
A. Amplitude of charge carriers
B. Frequency of charge carriers
C. Amplitude of signal
D. Frequency of signal
9 The natural frequency of L.C circuit is equal to
10 The reactance of inductor depends upon
A. L
D. All of the above

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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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