Question # 1

A certain wire has a resistance R, the resistivity of an other wire of an identical material with the first, except for twice its diameter is.

Choose an answer

1/4 R

4R

2R

Same as R

Conversion of A.C into D.C is called:

Choose an answer

Compton effect

Rectification

Amplification

Pair production

The inductive reactance of a coil is direction proportional to.

Choose an answer

Inductance

Resistance

Frequency of A.C.

Both frequency of A.C. and inductance

Earth orbital speed is.

Choose an answer

10 km/s

20 km/s

30 km/s

40 km/s

The quantity time constant RC has units of.

Choose an answer

Charge

Time

Capacitance

Resistance

The output from a full wave rectifier is

Choose an answer

An ac voltage

A dc voltage

Zero

A pulsating unidirectional voltage

Electric field intensity at a point is defined by the relation.

Choose an answer

E= q/F

E = F/q

E = qF

E = F/q2

Radioactivity happen due to the disintegration of

Choose an answer

Nucleus

Mass

Electrons

Protons

Intensity of field inside a hollow charged sphere will be.

Choose an answer

Negative

Unaffected

Zero

Maximum

The rod of unit length is moving at 30 o through a magnetic field of 1 T. If the velocity of rod is 1 m/s, then induced emf in the rod will be given by

Choose an answer

I V

0.25 V

0.5 V

0.6 V

At high frequency, the current through a capacitor is

Choose an answer

Small

Infinity

Zero

Large

Which consumes small power.

Choose an answer

Inductor

Resistor

Motor

All of these

In order to increase sensitivity of galvanometer the value of C may be

Choose an answer

Increase

Decrease

Neither increase nor decrease

Remain same

The unit of impedance is

Choose an answer

Farad

Henry

Tesla

Ohm

A rheostat can be used as variable resistor as well as a-------------

Choose an answer

Potential divider

Current divider

Wheat stone bridge

Power divider

The conventional current is due to the flow of

Choose an answer

Atoms and molecules

Positive charge

Negative charge

Bot (b) and (c)

One weber is equal to:

Choose an answer

N.A ²/m

N.m²/A

N.A/m

N.m/A

Lorentz force means the force acting on a particle, which is

Choose an answer

Magnetic force only

Electric force only

Sum of electric and magnetic force

None of these

More Classes

Other Links

Physics ICS Part 2 Online MCQ's Test 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