ELECTROMAGNETISM

ELECTROMAGNETISM

Professional Development

14 Qs

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ELECTROMAGNETISM

ELECTROMAGNETISM

Assessment

Quiz

Other

Professional Development

Hard

Created by

prajisha rathnesh

Used 4+ times

FREE Resource

14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

THE MAGNETIC FIELD OF A MAGNETIZED IRON BAR WHEN STRONGLY HEATED

BECOMES STRONGER

BECOMES WEAKER

REVERSES IN DIRECTIONS

NO CHANGE

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Reciprocal of reluctance is

permeance

susceptibility

permeability

reluctivity

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The magnitude of induced emf in a conductor depends upon the

the flux density of their magnetic field

rate of change of flux linkage.

amount of flux cut.

amount of flux linkage.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tesla is a unit of

flux density

field strength

FLUX

INDUCTANCE

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The direction of magnetic lines of force is

from south pole to north pole

from one end of the magnet to another

from north pole to south pole

NONE OF THESE

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The magnetic reluctance of a material

does not vary with increasing cross-sectional area of material

increases with an increasing cross-sectional area of material

decreases with increasing cross-sectional area of material

NONE OF THESE

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Permeance is to reluctance as conductance is to

INDUCTANCE

RESISTANCE

PERMEABILITY

RESISTANCE

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