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

00:00
Question # 1

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

Question # 2

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

Question # 3

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

Question # 4

SI unit of reactance is.

Question # 5

The phase angle of a series RLC circult at resonant frequency is

Question # 6

An inductor of 1 henry inductance has a reactance 500 ohms, then the frequency required is approximately

Question # 7

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

Question # 8

Vrms =

Question # 9

In case of capacitor, the unit of reactance is

Question # 10

Choke consumes extremely small

Question # 11

A resistance frequency the impedance of RLC parallel circuit is.

Question # 12

The slope of q-t curve at any instant of time gives.

Question # 13

Xc =

Question # 14

In RLC circuit the energy is dissipated in

Question # 15

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

Question # 16

The power factor of RL series circuit is.

Question # 17

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

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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 Vrms =
A. 0.7V
B.
0.07V
C. 0.007V
D. 0.75V
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 Power dissipation is a pure inductive or in a pure capacitance circuit is:
A. 106
B. 0
C. 10
D. Maximum
4 The unit of impedance is.
A. Henry
B. Hertz
C. Ampere
D. Ohm
5 The reactance of inductor depends upon
A. L
D. All of the above
6 100 micro F capacitor is connects to an AC voltage 24 V and frequency 50 Hz. The reactance of the capacitor is.
A. 30.8 Ohm
B. 31.8 Ohm
C. 34.8 Ohm
D. 40 Ohm
7 The most common source of an A.C. Voltage is.
A. Motor
B. Cell
C. Generator
D. Thermo couple
8 In RLC circuit the energy is dissipated in
A. R only
B. R and L
C. R and C
D. L and C
9 In LR circiut which one of the following statements is correct?
A. L and R opposes each other
B. R value increases with frequency
C. The inductive reactance increases with frequency
D. The inductive reactance decreases with frequency
10 A capacitor is perfectly insulator for:
A. Direct current
B. Alternating current
C. Direct as well as alternating current
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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