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

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

Question # 2

Resistance of choke is

Question # 3

X1is low for low frequency Fy but Xc is.

Question # 4

The reactance is the ratio of

Question # 5

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

Question # 6

The reactance of inductor depends upon

Question # 7

The combined effect of resistance and reactance is knows as.

Question # 8

Radio frequency choke is

Question # 9

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

Question # 10

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

Question # 11

The internal resistance of a capacitor is called:

Question # 12

Xc =

Question # 13

In AC system we generate sine wave form because:

Question # 14

The AC system is preferred to DC system because:

Question # 15

Main reason for world wide use of A.C. is

Question # 16

The circuit which compares the two voltages is.

Question # 17

The wave form of alternating voltage is a

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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 in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
2 A capacitor is perfectly insulator for:
A. Direct current
B. Alternating current
C. Direct as well as alternating current
D. None of these
3 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
4 SI unit of reactance is.
A. Ohm
B. Mho
C. Farad
D. Henry
5 The inductive reactance of a coil is direction proportional to.
A. Inductance
B. Resistance
C. Frequency of A.C.
D. Both frequency of A.C. and inductance
6 In pure capacitor A.C. circuit, the current I and charge q are.
A. In phase
B. Out of phase
C. Parallel to each other
D. None of above
7 Direct current can not flow through.
A. Inductor
B. Resistor
C. Transistor
D. Capacitor
8 The main reason for world wide use of A.C is because:
A. It is very high power 
B. It can be transmitted over long distance
C. It is cheaper to use
D. ALl of above
9 An A.C. voltmeter reads 220 V, its peak value will be
A. 225 V
B. 240 V
C. 311.12 V
D. 300 V
10 The value of capacitive reactance is given by
A. Xc = VI
B. xc= 1/wc or xc= wL
C. xc= 1*wc or xc=Lw
D. All of above

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