2nd Year Physics Chapter 16 Online MCQ Test for 12th Class Physics Chapter 16 (Alternating Current)

ICS Part 2 Physics
Chapter 16 Test

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MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 16 Online MCQ's Test"

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  • Total Questions17

  • Time Allowed20

Physics ICS Part 2 Chapter 16 Online MCQ's Test

00:00
Question # 1

In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is.

Question # 2

The reactance is the ratio of

Question # 3

Unit of impedance is:

Question # 4

The main reason for world wide use of A.C is because:

Question # 5

The combined effect of resistance and reactance is knows as.

Question # 6

The circuit which compares the two voltages is.

Question # 7

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

Question # 8

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

Question # 9

The natural frequency of L.C circuit is equal to

Question # 10

The main use of A.C is

Question # 11

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

Question # 12

The inductive reactance of a coil is direction proportional to.

Question # 13

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

Question # 14

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

Question # 15

An inductor of 1 henry inductance has a reactance 500 ohms, then the frequency required is approximately

Question # 16

The highest value reached by the voltage or current is one cycle is called:

Question # 17

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

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16th Chapter

ICS 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 device which allows only the continuous flow of AC through it is.
A. Inductor
B. Battery
C. Thermistor
D. Capacitor
2 If Io is the peak value of current, then its root mean square value is given by
B. 2 Io
C. Io
D. 0.7 Io
3 The peak value of A.C source is 20 A, then its rms value will be.
A. 14.1 A
B. 10 A
C. 20 A
D. 28.2 A
4 In Pakistan the frequency of A.C. supply is.
A. 50 Hz
B. 60 Hz
C. 45 Hz
D. 70 Hz
5 The natural frequency of L.C circuit is equal to
6 In A.C circuit through a capacitor which one is:
A. Current leads voltage by 90
B. Current lags behind voltage by 90
C. Both will be in phase
D. None of above 
7 In metal detector, we use.
A. L-C circuit
B. R-L circuit
C. R-C circuit
D. RLC series circuit
8 The effective value of any sinusoidal alternating current or voltage is
D. None of the above
9 Direct current can not flow through.
A. Inductor
B. Resistor
C. Transistor
D. Capacitor
10 Phase difference between V and I of an A.C through resistor is.
A. Zero Degree
B. 90 o
C. 80o
D. 120o

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