Question # 1

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

Choose an answer

Commutator

Rotor

Armature

Detector

When a coil is moved in a uniform magnetic field, an induced emf is produced due of change in

Choose an answer

Flux density

Electric flux

Magnetic flux

Magnetic field strength

_______ is the building block of every electronic circuit.

Choose an answer

Semi conductor diode

Resistor

Capacitor

Amplifier

Which component of the transistor has greater contrition of impurity.

Choose an answer

Base

Emitter

Collector

Emitter and collector

Which one of the following is ductile substance.

Choose an answer

Copper

Lead

Wrought iron

All of them

Electro encephalon graph is the diagnostic test for the working of.

Choose an answer

Eye

Heart

Brain

Lungs

Two metallic sphere of radius 2 cm and 4 cm get equal quantity of charge. Which has greater surface charge density ?

Choose an answer

2^nd sphere

Both have same

First sphere

None of these

Soft magnetic material is

Choose an answer

Sodium

Steel

Iron

Copper

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

Choose an answer

Once

Twice

Thrice

Four time

For Holography we use

Choose an answer

X ray

Laser

gama rays

Beta rays

In current carrying long solenoid the magnetic field produced does not depend upon.

Choose an answer

The radius of solenoid

Number of turns per unit length

Current flowing through solenoid

All of the above

The electric field lines are closer where the field is

Choose an answer

Strong

Weak

Uniform

Variable

A perfect absorber must also be perfect

Choose an answer

Cavity

Sources of radiation

Radiator

None of these

The output from a full wave rectifier is

Choose an answer

An ac voltage

A dc voltage

Zero

A pulsating unidirectional voltage

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

We can find from de Broglie formula

Choose an answer

Wavelength

Amplitude

Speed of wave

Frequency of wave

The photon with energy greater than 1.02 MeV can interact with matter as.

Choose an answer

Photoelectric effect

Compton effect

Pair production

annihilation of matter

The typical nuclei are less than:

Choose an answer

10^-16m

10^-14m

10^-12m

10^-10m

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