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

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Question # 1

The reactance of inductor depends upon

Question # 2

The value of capacitive reactance is given by

Question # 3

In a pure inductive A.C. circuit the current.

Question # 4

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

Question # 5

Phase difference between V and I of an A.C through resistor is.

Question # 6

The combined effect of resistance and reactance is knows as.

Question # 7

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

Question # 8

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

Question # 9

In pure capacitor A.C. circuit, the current I and charge q are.

Question # 10

XL=

Question # 11

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

Question # 12

An alternating quantity (voltage or current) is completely known if we know its:

Question # 13

In three phase A.C. generator the phase difference between each pair of coil is.

Question # 14

For electromagnetic waves, Maxwell generalized

Question # 15

The condition of resonance is:

Question # 16

A capacitor is perfectly insulator for:

Question # 17

An in cudutor may store energy in

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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 highest value reached by the voltage or current in one cycle is called.
A. Peak ot peak value
B. Peak value
C. Instantaneous value
D. Root mean square value
2 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
3 In purely resistive A.C circuit, instantaneous value of voltage and current:
A. Current lags behind voltage
B. Current leads voltage by π/2
C. Both are in Phase
D. Voltage leads current by Pase θ=π/2
4 In chopke coil the resistance XL an resistance R are:
A. XL=R
B. XL<<R
C. XL>>R
D. XL=
5 In frequency modulation, the amplitude of carrier waves is
A. Increases
B. Remains constant
C. Decreases
D. None of these
6 In modulation, low frequency signal is known as
A. Carrier wave
B. fluctuated signal
C. Modulated carrier signal
D. Modulation signal
7 An alternating voltage is given by 20 sin 157 t. Th efrequency of alternating voltage is:
A. 50 Hz
B. 25Hz
C. 100 Hz
D. 75 Hz
8 Resistance of choke is
A. zero
B. Large
C. Very small
D. Infinite
9 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
10 Choke consumes extremely small
A. Current
B. Charge
C. Power
D. Potential

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    Butt

    31 Mar 2020

    I want to give some test

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    Rimsha

    20 Oct 2019

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    atiyahassan

    20 Nov 2017

    aoa ....how to download it

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    zia

    28 Jun 2016

    thankx

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