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

X1is low for low frequency Fy but Xc is.

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

In case of capacitor, the unit of reactance is

Question # 6

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

Question # 7

In modulation, low frequency signal is known as

Question # 8

In frequency modulation which factor changed.

Question # 9

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

Question # 10

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

Question # 11

When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.

Question # 12

The expression P = VI hold only when current and voltage are.

Question # 13

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

Question # 14

The phase difference between the current and voltage at resonce is:

Question # 15

In three phase voltage across any two lines is about.

Question # 16

Power dissipation in A.C circuit is expressed as:

Question # 17

The peak to peak value of alternating voltage 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 At resonance, the behavior of R-L-C series circuit is.
A. Resistive
B. Capacitive
C. Inductive
D. Modulative
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 mean value of A.C. in a cycle is.
A. 1
B. 0
C. I2
D. Nil
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 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
6 The wave form of alternating voltage is a
A. Cotangent curve
B. Cosine curve
C. Sine curve
D. Tangent curve
7 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
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 Vrms =
A. 0.7V
B.
0.07V
C. 0.007V
D. 0.75V
10 The flow of D.C current is opposed by
A. Resistor
B. Induction
C. Capacitor
D. All of these

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