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

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

Question # 2

Unit of impedance is:

Question # 3

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

Question # 4

In case of capacitor, the unit of reactance is

Question # 5

For electromagnetic waves, Maxwell generalized

Question # 6

In Pakistan the frequency of A.C. supply is.

Question # 7

The resonance frequency is given by:

Question # 8

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

Question # 9

The basic circuit element in A.C. circuit which controls current.

Question # 10

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

Question # 11

High frequency radio wave is called as

Question # 12

The reactance of inductor depends upon

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

An alternating voltage is given by 20 sin 157 t. Th efrequency of alternating voltage is:

Question # 17

The condition of resonance 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 If the frequency of A.C. supplied is doubled then the capacitive reactance becomes.
A. Half
B. Two
C. Four times
D. One fourth
2 In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is.
A. 90o
B. 270o
C. 0o
D. 180o
3 In frequency modulation which factor changed.
A. Amplitude of charge carriers
B. Frequency of charge carriers
C. Amplitude of signal
D. Frequency of signal
4 The reactance is the ratio of
A. Vrms/Irms
B. Vrms x Irms
C. Irms/Vrms
D. Vmax x Vrms
5 An alternating quantity (voltage or current) is completely known if we know its:
A. Maximum
B. Frequency and phase
C. Effective value
D. Both (a) & (b)
6 In case of A.C. through resistor V and I are
A. At 0 o with each other
B. At 180 o with each other
C. At 90 o with each other
D. At 270 o with each other
7 Which consumes small power.
A. Inductor
B. Resistor
C. Motor
D. All of these
8 The expression P = VI hold only when current and voltage are.
A. In phase
B. Out of phase
C. At right angle to each other
D. At angle of 120 o
9 In RLC circuit the energy is dissipated in
A. R only
B. R and L
C. R and C
D. L and C
10 The circuit in which current and voltage are in phase, the power factor is:
A. Zero
B. 1
C. -1
D. 2

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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

    20 Nov 2017

    aoa ....how to download it

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  • zia

    zia

    28 Jun 2016

    thankx

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