NMDCAT Quiz-Phy & Eng

A bright and engaging illustration depicting concepts of physics such as magnetic fields, transformers, and electrical circuits, alongside elements related to language learning like books and words in motion.

NMDCAT Physics & English Quiz

Test your knowledge with our comprehensive NMDCAT quiz focused on Physics and English. This quiz contains 25 multiple choice questions designed to challenge your understanding of fundamental concepts in electromagnetism and language skills.

Key Features:

25 carefully crafted questions
Covering essential topics in physics and language
Instant feedback on your answers

25 Questions6 MinutesCreated by LearningWave432

The S.I unit of magnetic flux is:

Tesla

Joule

Weber

Newton

The flux through an area of 1 m2 in xy plane in a magnetic field of 1T directed along z-axis will be:

Zero

0.5 Wb

1 Wb

2 Wb

Magnetic flux passing normally, through a unit area is called:

Magnetization

Magnetic flux density

Magnetic field intensity

All of these

The induced emf is produced due to :

Motion of coil

The time rate of change of flux

Motion of magnet

Resistance of coil

Lenz's law is consistent with law of conservation of:

Mass

Charge

Energy

Momentum

Current can be induced in a coil by changing the area of coil placed in:

Uniform magnetic field

Uniform magnetic and electric field

Uniform electric field

All of these

The practical application of the mutual induction phenomena is:

Electric motor

A.C generator

Transformer

Transistor

Turns ratio of a step-up transformer is 50.If 220 V A.C is applied to its primary coil, the voltage in the secondary coil will be:

44V

220V

4.4V

11000V

The direction of induce current is always so as to oppose the change which causes the current is:

Fraday's law

Ohm's law

Lenz's law

Kirchhoff's 1st rule

A transformer :

Works on A.C only

Works on both A.C and D.C

Works on D.C only

Has no hysteresis loss

Correct relation for the transformer:

Ns/Np=Vp/Vs

Ns/Np=Ip/Is

Is/Ip=Vs/Vp

Ip/Is=Vp/Vs

Lamination of core of transformer is to decrease its:

Eddy current

Electric resistance

Hysteresis

Inductance

A rectangular loop of wire is placed perpendicular to a uniform magnetic field and then spun around one of its sides at frequency "f". The induced emf is maximum when:

The flux is zero

The flux is maximum

The flux is half its maximum value

The derivative of the flux with respect to time is zero

If we increase the resistance of coil, the induced e.m.f will be:

Increase

Remain same

Decrease

Increase exponentially

Which of the following is correct for a step-down transformer:

Np>Ns

Np=Ns

Ns>Np

Ns>=Np

The induced emf does not depend on:

Area of the coil

No. Of turns of coil

Resistance of coil

Length of coil

If the emf across the conductor of length 1m moving with a uniform speed at right angles to a magnetic field of 0.5T is 2V, the velocity of the conductor is:

1 ms-1

2 ms-1

4 ms-1

8 ms-1

An emf of 0.003 V is induced in a wire when it moves at right angles to uniform magnetic field with a speed of 4 m/s if the length of the wire in the field is 15 cm, what is the flux density in tesla?

0.003

0.005

If a conductor of unit length is moving at 30 degree through a magnetic field of 1 T. If velocity of the conductor is 1 ms-1 then induced emf in the rod will be:

0.5 V

0.25 V

0.15 V

50 V

One can increase the performance of a transformer by:

Using primary and secondary wires of less resistance

Making the sheets of transformer core fully insulated

Using methods to increase the flux coupling between the coils

All of these

DAINTILY means:

Deftly

Ineptly

Clumsily

Awkwardly

DANK's opposite word:

Moist

Wet

Misty

Canny

DEFINITE's counter word is:

Explicit

Clear cut

Formless

None

DELICATELY meaning:

Vulgarly

Unstylishly

Roughly

Elegantly

Antonym of "DISPUTE"

Consent

Argue

Deal

Conflict

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NMDCAT Quiz-Phy & Eng

NMDCAT Physics & English Quiz

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