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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MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 16 Online MCQ's Test"

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Physics FSC Part 2 Chapter 16 Online MCQ's Test

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Question # 1

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

Question # 2

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

Question # 3

In an LRC circiut, the capacitance is made one-fourth, when an resonance . Then what should be change in inductance, so that the circuit remain in resonance?

Question # 4

In purely resistive A.C circuit, instantaneous value of voltage and current:

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

The electromagnetic spectrum contains

Question # 9

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

Question # 10

The internal resistance of a capacitor is called:

Question # 11

The velocity of an oscillating charge as it moves to and fro along a wire is.

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

The reactance is the ratio of

Question # 16

At high frequency the value of reactance of capacitor will be.

Question # 17

An alternating voltage is given by 20 sin 157 t. Th efrequency of alternating voltage 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 The reactance of inductor depends upon
A. L
D. All of the above
2 The resonance frequency is given by:
A. fr = 2π√LC
B. fr = 1/2πLC
C. fr = 1/ 2π√LC
D. f1 = 1/ 2πC√L
3 The phase difference between the current and voltage at resonce is:
A. 0
B. π
C. -π
D. π/2
4 The circuit in which current and voltage are in phase, the power factor is:
A. Zero
B. 1
C. -1
D. 2
5 At high frequency, the current through a capacitor is
A. Small
B. Infinity
C. Zero
D. Large
6 The velocity of an oscillating charge as it moves to and fro along a wire is.
A. Changing
B. Constant
C. Infinite
D. zero
7 The unit of impedance is.
A. Henry
B. Hertz
C. Ampere
D. Ohm
8 The circuit which compares the two voltages is.
A. LDR
B. Sensor
C. Comparator
D. Logic gate
9 The combined effect of resistance and reactance is knows as.
A. Inductance
B. Conductance
C. Resistance
D. Impedance
10 The inductive reactance of a coil is direction proportional to.
A. Inductance
B. Resistance
C. Frequency of A.C.
D. Both frequency of A.C. and inductance

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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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