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

Radio frequency choke is

Question # 2

A resistance frequency the impedance of RLC parallel circuit is.

Question # 3

In three phase A.C. generator the phase difference between each pair of coil is.

Question # 4

The mean value of A.C. in a cycle is.

Question # 5

The phase difference between current and voltage in an inductive circuit is.

Question # 6

An alternating voltage is given by 20 sin 157 t. Th efrequency of alternating voltage is:

Question # 7

In chopke coil the resistance XL an resistance R are:

Question # 8

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

Question # 9

The unit of impedance is

Question # 10

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

Question # 11

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

Question # 12

For electromagnetic waves, Maxwell generalized

Question # 13

A capacitor is perfectly insulator for:

Question # 14

SI unit of reactance is.

Question # 15

Vrms =

Question # 16

when an inductor comes close to a metallic object, its inductance is.

Question # 17

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

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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 sum of positive and negative peak value called.
A. R.M.S. value
B. P-P value
C. Peak value
D. Average value
2 The basic circuit element in A.C. circuit which controls current.
A. Resistor only
B. Capacitor only
C. Inductor only
D. All of these
3 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
4 Resistance of choke is
A. zero
B. Large
C. Very small
D. Infinite
5 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
6 The condition of resonance is:
A. XL = 1/2 Xc
B. XL = Xc
C. Xc = 4x2
D. None of above
7 Electro magnetic waves emitted from radio antenna are.
A. Stationary
B. Longitudinal
C. Transvers
D. Both a and b
8 Radio frequency choke is
A. Iron cored
B. Air Cored
C. Air as well as iron cored
D. None of these
9 At resonance frequency, the impedance of RLC series circuit is.
A. Maximum
B. Minimum
C. Zero
D. Infinite
10 In A.C circuit of inductor which one is true
A. Voltage leads current by phase angle π/2
B. Voltage lags current by π/2
C. Current leads voltage by π/2
D. Both remain in phase

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