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 AC system we generate sine wave form because:

Question # 2

The wave form of alternating voltage is a

Question # 3

In three phase A.C supply coils are inclined at an angle of.

Question # 4

The unit of impedance is.

Question # 5

The slope of q-t curve at any instant of time gives.

Question # 6

In metal detector, we use.

Question # 7

The main use of A.C is

Question # 8

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

Question # 9

If Vrms be the root mean square value of emf then its peak to peak value is given by

Question # 10

The device which allows only the continuous flow of AC through it is.

Question # 11

The Basic circuit element in a D.C. circuits which controls the current and voltage is

Question # 12

Power dissipated in a pure inductor is.

Question # 13

For electromagnetic waves, Maxwell generalized

Question # 14

Average value of current and voltage over a complete cycle is.

Question # 15

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

Question # 16

The condition of resonance is:

Question # 17

The peak to peak value of alternating voltage 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 The phase angle of a series RLC circult at resonant frequency is
A. 1/2
B. sigma
C. Zero
D. sigma /4
2 The sum of positive and negative peak value called.
A. R.M.S. value
B. P-P value
C. Peak value
D. Average value
3 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
4 The power factor of RL series circuit is.
A. 0
B. 1
C. Less then 1
D. More than one
5 In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve is.
A. Maximum
B. Minimum
C. Zero
D. Negative
6 The internal resistance of a capacitor is called:
A. Impedance
B. Resistance
C. Reactance
D. Conductance
7 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
8 The unit of impedance is
A. Farad
B. Henry
C. Tesla
D. Ohm
9 The device which allows only the flow of D.C. is.
A. Capacitors
B. transformer
C. Inductor
D. Generator
10 A resistance frequency the impedance of RLC parallel circuit is.
A. Zero
B. Infinite
C. Maximum
D. Minimum

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