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

00:00
Question # 1

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

Question # 2

The natural frequency of L.C circuit is equal to

Question # 3

An in cudutor may store energy in

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

In an LRC circiut, the capacitance is made one-fourth, when an resonance . Then what should be change in inductance, so that the circuit remain in resonance?

Question # 9

The reactance of inductor depends upon

Question # 10

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

Question # 11

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

Question # 12

The resonance frequency is given by:

Question # 13

The velocity of an oscillating charge as it moves to and fro along a wire is.

Question # 14

The most common source of an A.C. Voltage is.

Question # 15

The condition of resonance is:

Question # 16

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

Question # 17

In metal detector, we use.

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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 In AC system we generate sine wave form because:
A. It san be easily draw
B. It produces least disturbance in electrical circuits
C. It is nature standard
D. Other waves cannot be produced easily
2 In three phase voltage across any two lines is about.
A. 220 V
B. 230 V
C. 400 V
D. 430 V
3 The phase angle of a series RLC circult at resonant frequency is
A. 1/2
B. sigma
C. Zero
D. sigma /4
4 The wave form of alternating voltage is a
A. Cotangent curve
B. Cosine curve
C. Sine curve
D. Tangent curve
5 The Basic circuit element in a D.C. circuits which controls the current and voltage is
A.
Resistor
B. Inductor
C.
Capisitor
D. Transistor
6 Resistance of choke is
A. zero
B. Large
C. Very small
D. Infinite
7 The combined effect of resistance and reactance is knows as.
A. Inductance
B. Conductance
C. Resistance
D. Impedance
8 The electromagnetic spectrum contains
A. Radio waves
B. X-rays
C. Microwaves
D. All of these
9 SI unit of reactance is.
A. Ohm
B. Mho
C. Farad
D. Henry
10 The effective value of any sinusoidal alternating current or voltage is
D. None of the above

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