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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Physics ICS Part 2 Chapter 16 Online MCQ's Test

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Question # 1

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

Question # 2

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

Question # 3

The inductive reactance of a coil is direction proportional to.

Question # 4

Electron vibrating 94,000 times each second will produce radio waves of frequency.

Question # 5

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

Question # 6

Electro magnetic waves emitted from radio antenna are.

Question # 7

At resonance, the behavior of R-L-C series circuit is.

Question # 8

The electromagnetic spectrum contains

Question # 9

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

Question # 10

The phase difference between the current and voltage at resonce is:

Question # 11

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

Question # 12

Vrms =

Question # 13

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

Question # 14

In frequency modulation, the amplitude of carrier waves is

Question # 15

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

Question # 16

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

Question # 17

A capacitor is perfectly insulator for:

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ICS Part 2 Physics Chapter 16 Online Test MCQ's

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FSc Part II Class Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 High frequency radio wave is called as
A. Fluctuate
B. Carrier wave
C. Matter wave
D. Mechanical wave
2 The mean value of A.C. in a cycle is.
A. 1
B. 0
C. I2
D. Nil
3 The unit of impedance is
A. Farad
B. Henry
C. Tesla
D. Ohm
4 The combined effect of resistance and reactance is knows as.
A. Inductance
B. Conductance
C. Resistance
D. Impedance
5 Direct current can not flow through.
A. Inductor
B. Resistor
C. Transistor
D. Capacitor
6 The circuit in which current and voltage are in phase, the power factor is:
A. Zero
B. 1
C. -1
D. 2
7 The basic circuit element in A.C. circuit which controls current.
A. Resistor only
B. Capacitor only
C. Inductor only
D. All of these
8 XL=
A. 2πfL
B. 1/2πfL
C. 2πfL
D. fL/2π
9 The device which allows only the continuous flow of AC through it is.
A. Inductor
B. Battery
C. Thermistor
D. Capacitor
10 Resistance of choke is
A. zero
B. Large
C. Very small
D. Infinite

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