Science Quiz 132

This is a timed quiz. You will be given 15 seconds per question. Are you ready?

An electromagnetic field exists only when there is?

An increasing current

Decreasing current

Voltage

Current

Correct! Wrong!

Which of the following is not a unit of flux?

Maxwell

Weber

Tesla

None

Correct! Wrong!

The commonly used material for shielding or screening magnetism is?

Aluminium

Hardened steel

Stainless steel

Soft iron.

Correct! Wrong!

The direction of a magnetic field within a magnet is?

Front to back

Back to front

From north to south.

From south to north

Correct! Wrong!

A permeable substance is one?

Which is a strong magnet

Through which the magnetic lines of force can pass very easily

Which is a bad conductor

None

Correct! Wrong!

The ratio of intensity of magnetization to the magnetization force is known as?

Heating

Flux density

Relative permeability

Susceptibility

Correct! Wrong!

Which of the following is expected to have the maximum permeability?

Ebonite

Copper

Zinc

None

Correct! Wrong!

Paramagnetic materials have relative permeability?

Slightly less than unity

Equal to that ferromagnetic mate rails.

Slightly more than unity

Equal to unity

Correct! Wrong!

Science Quiz 132

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Science Quiz 132

An electromagnetic field exists only when there is?

Which of the following is not a unit of flux?

The commonly used material for shielding or screening magnetism is?

The direction of a magnetic field within a magnet is?

A permeable substance is one?

The ratio of intensity of magnetization to the magnetization force is known as?

Which of the following is expected to have the maximum permeability?

Paramagnetic materials have relative permeability?

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Science Quiz 132

An electromagnetic field exists only when there is?

Which of the following is not a unit of flux?

The commonly used material for shielding or screening magnetism is?

The direction of a magnetic field within a magnet is?

A permeable substance is one?

The ratio of intensity of magnetization to the magnetization force is known as?

Which of the following is expected to have the maximum permeability?

Paramagnetic materials have relative permeability?

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