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

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Physics ICS Part 2 Chapter 16 Online MCQ's Test

00:00
Question # 1

Choke consumes extremely small

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

The Basic circuit element in a D.C. circuits which controls the current and voltage is

Question # 6

An in cudutor may store energy in

Question # 7

In A.C circuit of inductor which one is true

Question # 8

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

Question # 9

In three phase A.C supply coils are inclined at an angle of.

Question # 10

The unit of impedance is

Question # 11

The effective value of any sinusoidal alternating current or voltage is

Question # 12

In three phase voltage across any two lines is about.

Question # 13

In AC system we generate sine wave form because:

Question # 14

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

Question # 15

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

Question # 16

In pure capacitor A.C. circuit, the current I and charge q are.

Question # 17

SI unit of reactance 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 main use of A.C is
A. Minimum line losses
B. Long distance transmission
C. Stepping up to required voltage only
D. Steeping down to required voltage only
2 The reactance is the ratio of
A. Vrms/Irms
B. Vrms x Irms
C. Irms/Vrms
D. Vmax x Vrms
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 A.M. transmission frequencies range from
A. 540 KHz to 1000 KHz
B. 540 Khz to 1600 KHz
C. 520 KHz TO 1600 KHz
D. 520 KHz TO 1400 KHz
5 The mean value of A.C. in a cycle is.
A. 1
B. 0
C. I2
D. Nil
6 In case of A.C. through resistor V and I are
A. At 0 o with each other
B. At 180 o with each other
C. At 90 o with each other
D. At 270 o with each other
7 XL=
A. 2πfL
B. 1/2πfL
C. 2πfL
D. fL/2π
8 The condition of resonance is:
A. XL = 1/2 Xc
B. XL = Xc
C. Xc = 4x2
D. None of above
9 The device which allows only the continuous flow of AC through it is.
A. Inductor
B. Battery
C. Thermistor
D. Capacitor
10 when an inductor comes close to a metallic object, its inductance is.
A. Decreased
B. Increased
C. Becomes half
D. Becomes 4 times

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