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

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

The effective value of any sinusoidal alternating current or voltage is

Question # 6

The condition of resonance is:

Question # 7

An in cudutor may store energy in

Question # 8

In A.C circuit of inductor which one is true

Question # 9

The wave form of alternating voltage is a

Question # 10

In three phase voltage across any two lines is about.

Question # 11

In frequency modulation which factor changed.

Question # 12

The most common source of an A.C. Voltage is.

Question # 13

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

Question # 14

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

Question # 15

Power dissipation in A.C circuit is expressed as:

Question # 16

Direct current can not flow through.

Question # 17

The reactance of inductor depends upon

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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 mean value of A.C. in a cycle is.
A. 1
B. 0
C. I2
D. Nil
2 The unit of impedance is
A. Farad
B. Henry
C. Tesla
D. Ohm
3 The phase difference between current and voltage in an inductive circuit is.
A. zero
B. 90 o
C. 180 o
D. 45o
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 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
6 The peak to peak value of alternating voltage is
A. 2Vo
B. Vo
D. None of these
7 In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is.
A. 90o
B. 270o
C. 0o
D. 180o
8 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
9 If Vrms be the root mean square value of emf then its peak to peak value is given by
10 The most common source of an A.C. Voltage is.
A. Motor
B. Cell
C. Generator
D. Thermo couple

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