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

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

XL=

Question # 4

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

Question # 5

In three phase voltage across any two lines is about.

Question # 6

In a pure inductive A.C. circuit the current.

Question # 7

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

Question # 8

If the frequency of A.C. supplied is doubled then the capacitive reactance becomes.

Question # 9

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

Question # 10

A resistance frequency the impedance of RLC parallel circuit is.

Question # 11

The peak value of A.C source is 20 A, then its rms value will be.

Question # 12

Radio frequency choke is

Question # 13

Which consumes small power.

Question # 14

Power dissipated in a pure inductor is.

Question # 15

High frequency radio wave is called as

Question # 16

In purely resistive A.C circuit, instantaneous value of voltage and current:

Question # 17

The circuit in which current and voltage are in phase, the power factor is:

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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 The phase angle of a series RLC circult at resonant frequency is
A. 1/2
B. sigma
C. Zero
D. sigma /4
2 Xc =
A. 1/2πfc
B. 2πfc
C. 2π/fc
D. fc/2π
3 The electromagnetic spectrum contains
A. Radio waves
B. X-rays
C. Microwaves
D. All of these
4 Electron vibrating 94,000 times each second will produce radio waves of frequency.
A. 94 Hz
B. 940 HZ
C. 94 Hz
D. 490 Hz
5 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
6 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
7 The peak value of alternating current is 5√2 A. The mean square value of current will be:
A. 5A
B. 2.5A
C. 5√2A
D. 52
8 An alternating voltage is given by 20 sin 157 t. Th efrequency of alternating voltage is:
A. 50 Hz
B. 25Hz
C. 100 Hz
D. 75 Hz
9 The internal resistance of a capacitor is called:
A. Impedance
B. Resistance
C. Reactance
D. Conductance
10 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

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