Question # 1

The property of substance, which opposes the flow of current through it is called.

Choose an answer

Resistance

Reactance

Resistivity

None of these

Which part of a D.C. motor reverses the direction of current through the coil every half-cycle.

Choose an answer

The armature

The commutator

The burshes

The slip rings

The device which converts digital quantities into analog quantities is called:

Choose an answer

ADC

DAC

ACD

CAD

The symbol of atomic mass number is:

Choose an answer

A

X

N

Z

Release of energy by the sun is due to

Choose an answer

Nuclear fission

Nuclear fusion

Burning of gases

Chemical reaction

A capacitor stores 0.24 coulombs at 10 volts. It capacitance is:

Choose an answer

0.024F

0.12F

0.6F

0.8F

Eight bits combine to form:

Choose an answer

A byte

Megabyte

Kilobyte

Gigabyte

Electronics is the study of principles by means of which we control the:

Choose an answer

Flow of electrons.

Nuclear fission

Fusion reaction

Radiations

The unit of electrical energy is:

Choose an answer

Joule

Watt

Volt

Electron volt

What is the voltage across a 6Ω resister when 3A current passes through it?

Choose an answer

2V

9V

18V

36V

The loudness of sound is most closely related to its:

Choose an answer

Freqeucy

Period

Wavelength

Amplitude

Which of the following devices can be used to produce both a transverse and longitudinal waves:

Choose an answer

A string

A ripple tank

A helical spring (slinky)

A tuning fork

The half life of plutonium²³⁶Pu₉₄is:

Choose an answer

2.00 years

2.35 years

2.79 years

2.85 years

More Classes

Other Links

Physics 10th Class English Medium Online 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