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

In modulation, low frequency signal is known as

Question # 2

The device which allows only the flow of D.C. is.

Question # 3

The AC system is preferred to DC system because:

Question # 4

The wave form of alternating voltage is a

Question # 5

In A.C circuit of inductor which one is true

Question # 6

The peak to peak value of alternating voltage is

Question # 7

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

Question # 8

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

Question # 9

Resistance of choke is

Question # 10

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

Question # 11

If Io is the peak value of current, then its root mean square value is given by

Question # 12

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

Question # 13

The condition of resonance is:

Question # 14

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

Question # 15

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

Question # 16

Radio frequency choke is

Question # 17

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

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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 Xc =
A. 1/2πfc
B. 2πfc
C. 2π/fc
D. fc/2π
2 The main reason for world wide use of A.C is because:
A. It is very high power 
B. It can be transmitted over long distance
C. It is cheaper to use
D. ALl of above
3 The basic circuit element in A.C. circuit which controls current.
A. Resistor only
B. Capacitor only
C. Inductor only
D. All of these
4 An electromagnetic wave goes from air to glass which of the following does not change?
A. Radio waves
B. X-rays
C. Ultra violet radiation
D. Ultra sond waves
5 The circuit in which current and voltage are in phase, the power factor is:
A. Zero
B. 1
C. -1
D. 2
6 Choke consumes extremely small
A. Current
B. Charge
C. Power
D. Potential
7 Resistance of choke is
A. zero
B. Large
C. Very small
D. Infinite
8 In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is.
A. 90o
B. 270o
C. 0o
D. 180o
9 XL=
A. 2πfL
B. 1/2πfL
C. 2πfL
D. fL/2π
10 At high frequency the value of reactance of capacitor will be.
A. Small
B. Zero
C. Large
D. Infinite

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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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