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

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

Question # 2

An electromagnetic wave goes from air to glass which of the following does not change?

Question # 3

Which consumes small power.

Question # 4

The power factor of RL series circuit is.

Question # 5

The flow of D.C current is opposed by

Question # 6

A resistance frequency the impedance of RLC parallel circuit is.

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

The condition of resonance is:

Question # 12

Vrms =

Question # 13

The unit of impedance is

Question # 14

The effective value of any sinusoidal alternating current or voltage is

Question # 15

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

Question # 16

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

Question # 17

The reactance of inductor depends upon

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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 Which consumes small power.
A. Inductor
B. Resistor
C. Motor
D. All of these
2 Power dissipation is a pure inductive or in a pure capacitance circuit is:
A. 106
B. 0
C. 10
D. Maximum
3 In modulation, low frequency signal is known as
A. Carrier wave
B. fluctuated signal
C. Modulated carrier signal
D. Modulation signal
4 The device which allows only the flow of D.C. is.
A. Capacitors
B. transformer
C. Inductor
D. Generator
5 The power factor of RL series circuit is.
A. 0
B. 1
C. Less then 1
D. More than one
6 The Basic circuit element in a D.C. circuits which controls the current and voltage is
A.
Resistor
B. Inductor
C.
Capisitor
D. Transistor
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 In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is.
A. 90o
B. 270o
C. 0o
D. 180o
9 An inductor of 1 henry inductance has a reactance 500 ohms, then the frequency required is approximately
A. 50 Hz
B. 100 Hz
C. 80 Hz
D. 120 Hz
10 In frequency modulation, the amplitude of carrier waves is
A. Increases
B. Remains constant
C. Decreases
D. None of these

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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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