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

Impedance is denoted by:

Question # 2

SI unit of reactance is.

Question # 3

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

Question # 4

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

Question # 5

The mean value of A.C. in a cycle is.

Question # 6

X1is low for low frequency Fy but Xc is.

Question # 7

The circuit in which current and voltage are in phase, the power factor is:

Question # 8

In A.C circuit through a capacitor which one is:

Question # 9

The main use of A.C is

Question # 10

Power dissipation in A.C circuit is expressed as:

Question # 11

An A.C. voltmeter reads 220 V, its peak value will be

Question # 12

At high frequency the value of reactance of capacitor will be.

Question # 13

Phase difference between V and I of an A.C through resistor is.

Question # 14

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

Question # 15

The sum of positive and negative peak value called.

Question # 16

The wave form of alternating voltage is a

Question # 17

When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance 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 X1is low for low frequency Fy but Xc is.
A. Zero
B. Low
C. High
D. Same is H
2 For electromagnetic waves, Maxwell generalized
A. Gauses law for magnetism
B. Gauses law for eletricity
C. Fradays law
D. Amperes law
3 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
4 The value of capacitive reactance is given by
A. Xc = VI
B. xc= 1/wc or xc= wL
C. xc= 1*wc or xc=Lw
D. All of above
5 Resistance of choke is
A. zero
B. Large
C. Very small
D. Infinite
6 The circuit in which current and voltage are in phase, the power factor is:
A. Zero
B. 1
C. -1
D. 2
7 Impedance is denoted by:
A. A 
B. Z
C. P
D. Q
8 Xc =
A. 1/2πfc
B. 2πfc
C. 2π/fc
D. fc/2π
9 Electro magnetic waves emitted from radio antenna are.
A. Stationary
B. Longitudinal
C. Transvers
D. Both a and b
10 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

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