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

The device which allows only the flow of D.C. is.

Question # 2

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

Question # 3

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

Question # 4

The power factor of RL series circuit is.

Question # 5

High frequency radio wave is called as

Question # 6

A resistance frequency the impedance of RLC parallel circuit is.

Question # 7

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

Question # 8

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

Question # 9

The reactance of inductor depends upon

Question # 10

In chopke coil the resistance XL an resistance R are:

Question # 11

X1is low for low frequency Fy but Xc is.

Question # 12

An in cudutor may store energy in

Question # 13

Electro magnetic waves emitted from radio antenna are.

Question # 14

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

Question # 15

Power dissipated in a pure inductor is.

Question # 16

An alternating quantity (voltage or current) is completely known if we know its:

Question # 17

Power dissipation in A.C circuit is expressed as:

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16th Chapter

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 A capacitor is perfectly insulator for:
A. Direct current
B. Alternating current
C. Direct as well as alternating current
D. None of these
2 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
3 SI unit of reactance is.
A. Ohm
B. Mho
C. Farad
D. Henry
4 At high frequency the value of reactance of capacitor will be.
A. Small
B. Zero
C. Large
D. Infinite
5 The circuit which compares the two voltages is.
A. LDR
B. Sensor
C. Comparator
D. Logic gate
6 The unit of impedance is.
A. Henry
B. Hertz
C. Ampere
D. Ohm
7 The highest value reached by the voltage or current is one cycle is called:
A. Peak to peak value
B. Peak value
C.
Instantaneous value
D. Root mean square value
8 Power dissipated in a pure inductor is.
A. Large
B. Small
C. Infinite
D. Zero
9 when an inductor comes close to a metallic object, its inductance is.
A. Decreased
B. Increased
C. Becomes half
D. Becomes 4 times
10 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

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