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

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

Question # 2

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

Question # 3

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

Question # 4

In frequency modulation which factor changed.

Question # 5

Xc =

Question # 6

In AC system we generate sine wave form because:

Question # 7

An in cudutor may store energy in

Question # 8

In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve is.

Question # 9

An inductor of 1 henry inductance has a reactance 500 ohms, then the frequency required is approximately

Question # 10

The combined effect of resistance and reactance is knows as.

Question # 11

Electron vibrating 94,000 times each second will produce radio waves of frequency.

Question # 12

Unit of impedance is:

Question # 13

Electro magnetic waves emitted from radio antenna are.

Question # 14

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

Question # 15

In case of A.C. through resistor V and I are

Question # 16

Impedance is denoted by:

Question # 17

The reactance is the ratio of

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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 An inductor of 1 henry inductance has a reactance 500 ohms, then the frequency required is approximately
A. 50 Hz
B. 100 Hz
C. 80 Hz
D. 120 Hz
2 In frequency modulation which factor changed.
A. Amplitude of charge carriers
B. Frequency of charge carriers
C. Amplitude of signal
D. Frequency of signal
3 XL=
A. 2πfL
B. 1/2πfL
C. 2πfL
D. fL/2π
4 The phase angle of a series RLC circult at resonant frequency is
A. 1/2
B. sigma
C. Zero
D. sigma /4
5 Xc =
A. 1/2πfc
B. 2πfc
C. 2π/fc
D. fc/2π
6 The mean value of A.C. in a cycle is.
A. 1
B. 0
C. I2
D. Nil
7 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
8 A capacitor is perfectly insulator for:
A. Direct current
B. Alternating current
C. Direct as well as alternating current
D. None of these
9 The power factor of RL series circuit is.
A. 0
B. 1
C. Less then 1
D. More than one
10 The peak value of A.C source is 20 A, then its rms value will be.
A. 14.1 A
B. 10 A
C. 20 A
D. 28.2 A

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