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

In chopke coil the resistance XL an resistance R are:

Question # 2

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

Question # 3

Power dissipated in a pure inductor is.

Question # 4

In modulation, low frequency signal is known as

Question # 5

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

Question # 6

Unit of impedance is:

Question # 7

The reactance of inductor depends upon

Question # 8

100 micro F capacitor is connects to an AC voltage 24 V and frequency 50 Hz. The reactance of the capacitor is.

Question # 9

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

Question # 10

In A.C circuit of inductor which one is true

Question # 11

A capacitor is perfectly insulator for:

Question # 12

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

Question # 13

In AC system we generate sine wave form because:

Question # 14

The circuit which compares the two voltages is.

Question # 15

In metal detector, we use.

Question # 16

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

Question # 17

Main reason for world wide use of A.C. 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 In a pure inductive A.C. circuit the current.
A. Lags behind voltage by 90 o
B. Leads the voltage by 90 o
C. In phase with voltage
D. Leads the voltage by 270 o
2 In RLC circuit the energy is dissipated in
A. R only
B. R and L
C. R and C
D. L and C
3 The main use of A.C is
A. Minimum line losses
B. Long distance transmission
C. Stepping up to required voltage only
D. Steeping down to required voltage only
4 Xc =
A. 1/2πfc
B. 2πfc
C. 2π/fc
D. fc/2π
5 The internal resistance of a capacitor is called:
A. Impedance
B. Resistance
C. Reactance
D. Conductance
6 An A.C. voltmeter reads 220 V, its peak value will be
A. 225 V
B. 240 V
C. 311.12 V
D. 300 V
7 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
8 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
9 The peak value of alternating current is 5√2 A. The mean square value of current will be:
A. 5A
B. 2.5A
C. 5√2A
D. 52
10 In metal detector, we use.
A. L-C circuit
B. R-L circuit
C. R-C circuit
D. RLC series circuit

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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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