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BEE MCQS Electrical

Total questions: 24

Worksheet time: 12mins

Name
Class
Date
1.

The magnetic lines of force are also knowas lines of _____.

a)

Magnetic flux

b)

Magnetic field

2.

The magnetic lines of force are ___ and do not have any physical existence.

a)

Virtual

b)

maginary

3.

It is ___ to define the path of magnetic flux

a)

Possible

b)

NOT possible

4.

Magnetic flux density is measured in ___ and denoted by B

a)

Wb/m²

b)

m²/Wb

5.

A ___ N pole is the N pole with a strength of 1Wb

a)

Standard

b)

Unit

6.

The magnetic flux density is measured in ___

a)

Weber/m²

b)

Weber/m³

7.

The magnetic flux is defined as the total number of ___ in a magnetic field

a)

Lines of force

b)

Magnetic poles

8.

The ___ is defined as the total number of lines of force in a magnetic field

a)

Field strength

b)

Magnetic flux

9.

.___ is defined as the flux radiated out by a unit N pole

a)

Flux per unit pole

b)

One weber

10.

The ___ is defined as the region near a magnet within the effect or influence of the magnet is felt

a)

Magnetic field

b)

Magnetic flux

11.

The permeability of nonmagnetic material is ___

a)

Arbitrary

b)

low

12.

The absolute permeability is measured in ___

a)

Henry

b)

Henry per m

13.

All the magnetic material such as iron, steel etc have ___

a)

High permeability

b)

High reluctance

14.

.___ is an important property of materials. It is defined as the ability of a material to carry the flux lines

a)

Permittivity

b)

Permeability

15.

The units of relative permeability is ___

a)

Henry

b)

No units

16.

If the relative permeability of cast steel is 1400 find absolute permeability

a)

1400

b)

1.76 ×10-³

17.

μ0 is defined as ___

a)

Relative permeability

b)

PPermeability Of free space

18.

MMF can be defined as ___ on a unit magnetic pole to take it around a closer magnetic circuit once

a)

Work done

b)

force

19.

.___ is responsible for the generation of flux in a magnetic circuit

a)

EMF

b)

MMF

20.

The ratio of magnetic flux density in a particular medium to the magnetic field strength which produces that flux density is defined as the ___ of that material

a)

..permeance

b)

..Absolute Permeability

21.

The resistance in electric circuit in analogous to ___magnetic circuit

a)

Permeability

b)

Reluctance

22.

The reluctance does not change much with ___

a)

Flux density

b)

Temperature

23.

magnetic circuit is defined as the closed path followed by the ___

a)

Reluctance

b)

Flux

24.

___is defined as the reciprocal of reluctance

a)

.. permeance

b)

Permeability