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

Power dissipated in a pure inductor is.

Question # 2

In AC system we generate sine wave form because:

Question # 3

The main use of A.C is

Question # 4

The internal resistance of a capacitor is called:

Question # 5

The reactance of inductor depends upon

Question # 6

The power factor of RL series circuit is.

Question # 7

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

Question # 8

In Pakistan the frequency of A.C. supply is.

Question # 9

The unit of impedance is

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

In metal detector, we use.

Question # 14

In chopke coil the resistance XL an resistance R are:

Question # 15

The peak value of alternating current is 5√2 A. The mean square value of current will be:

Question # 16

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

Question # 17

An in cudutor may store energy in

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The resonance frequency is given by:
A. fr = 2π√LC
B. fr = 1/2πLC
C. fr = 1/ 2π√LC
D. f1 = 1/ 2πC√L
2 The Basic circuit element in a D.C. circuits which controls the current and voltage is
A.
Resistor
B. Inductor
C.
Capisitor
D. Transistor
3 The natural frequency of L.C circuit is equal to
4 Impedance is denoted by:
A. A 
B. Z
C. P
D. Q
5 In chopke coil the resistance XL an resistance R are:
A. XL=R
B. XL<<R
C. XL>>R
D. XL=∞
6 In Series resonance circuit the impedance of circuit art resonance frequency, is
A. Maximum
B. Minimum
C. It is unequal to R
D. None of above
7 The expression P = VI hold only when current and voltage are.
A. In phase
B. Out of phase
C. At right angle to each other
D. At angle of 120 o
8 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
9 High frequency radio wave is called as
A. Fluctuate
B. Carrier wave
C. Matter wave
D. Mechanical wave
10 The power factor of RL series circuit is.
A. 0
B. 1
C. Less then 1
D. More than one

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