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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Physics ICS Part 2 Chapter 16 Online MCQ's Test

00:00
Question # 1

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

Question # 2

In chopke coil the resistance XL an resistance R are:

Question # 3

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

Question # 4

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

Question # 5

The phase angle of a series RLC circult at resonant frequency is

Question # 6

Resistance of choke is

Question # 7

The inductive reactance of a coil is direction proportional to.

Question # 8

Which consumes small power.

Question # 9

In three phase voltage across any two lines is about.

Question # 10

The peak to peak value of alternating voltage is

Question # 11

A capacitor is perfectly insulator for:

Question # 12

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

Question # 13

Radio frequency choke is

Question # 14

The wave form of alternating voltage is a

Question # 15

During each cycle A.C. voltage reaches a peak value.

Question # 16

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

Question # 17

Vrms =

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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 When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.
A. 100 Ohm
B. 10 Ohm
C. 1000 Ohm
D. 1 Ohm
2 At resonance, the behavior of R-L-C series circuit is.
A. Resistive
B. Capacitive
C. Inductive
D. Modulative
3 The unit of impedance is
A. Farad
B. Henry
C. Tesla
D. Ohm
4 Power dissipated in a pure inductor is.
A. Large
B. Small
C. Infinite
D. Zero
5 In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve is.
A. Maximum
B. Minimum
C. Zero
D. Negative
6 The unit of impedance is.
A. Henry
B. Hertz
C. Ampere
D. Ohm
7 Xc =
A. 1/2πfc
B. 2πfc
C. 2π/fc
D. fc/2π
8 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
9 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
10 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

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