Question # 1

At high frequency the value of reactance of capacitor will be.

Choose an answer

Small

Zero

Large

Infinite

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

Choose an answer

zero

90 ^o

180 ^o

45^o

A simple device that prevents the direction of current from changing is called.

Choose an answer

Commutator

Rotor

Armature

Detector

Three resistors of resistance R each are combined in various ways, Which of the following cannot be obtained?

Choose an answer

3 RΩ

2R /4Ω

R/3Ω

2R /3Ω

Yield stress is another name of

Choose an answer

Plasticity

Proportional limit

Elastic limit

Both (b) and (c)

Glass and high steel carbon are example of.

Choose an answer

Ductile substances

Brittle substances

Soft substances

Hard substances

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

Choose an answer

Peak to peak value

Peak value

Instantaneous value

Root mean square value

A pair of quark and anti quark makes a.

Choose an answer

Meason

harden

Lapton

Baryon

One use of a single p-n junction semiconductor in an electrical circuit is a

Choose an answer

Rectifier

Transistor

Battery

Diode

One electron volt is equal to.

Choose an answer

1.6 x 10^-19 Joule

1.6 x 10^-19Coulomb

1.6 x 10^-12N

1.6 x 10¹⁸Joule

Recently superconductor discovered is at temperature.

Choose an answer

110K

143K

16.3K

119K

Which one is not a crystalline solid.

Choose an answer

Zinc

Copper

Nylon

None of these

The work done is bringing a unit positive charge from infinity to that point in an electric field is called.

Choose an answer

Potential

Potential difference

Absolute potential

All of these

What is the co-efficient of mutual inductance, when the magnetic flux changes by 2 x 10^-2 Wb, and change in current is 0.01 A?

Choose an answer

2 H

3 H

1/2 H

Zero

Ampere's law is applicable to:

Choose an answer

Circular path

Rectangular path

To any closed path

Nonwe of these

The potential difference across depletion region in case of Si is

Choose an answer

0.6 volt

0.9 volt

0.7 volt

0.2 volt

Which of the following quantities remain constant in step up transformer?

Choose an answer

Current

Voltage

Power

Heat

Electron volt is unit of:

Choose an answer

Chemical energy

Potential energy

Nuclear energy

heat energy

More Classes

Other Links

Ics Part 2 Physics Test Online MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer