Science Quiz 132

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

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

Ebonite

Copper

Zinc

None

Correct! Wrong!

An electromagnetic field exists only when there is?

An increasing current

Decreasing current

Voltage

Current

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!

Paramagnetic materials have relative permeability?

Slightly less than unity

Equal to that ferromagnetic mate rails.

Slightly more than unity

Equal to unity

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 commonly used material for shielding or screening magnetism is?

Aluminium

Hardened steel

Stainless steel

Soft iron.

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 not a unit of flux?

Maxwell

Weber

Tesla

None

Correct! Wrong!

Science Quiz 132

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Science Quiz 132

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

An electromagnetic field exists only when there is?

The direction of a magnetic field within a magnet is?

Paramagnetic materials have relative permeability?

A permeable substance is one?

The commonly used material for shielding or screening magnetism is?

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

Which of the following is not a unit of flux?

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Science Quiz 132

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

An electromagnetic field exists only when there is?

The direction of a magnetic field within a magnet is?

Paramagnetic materials have relative permeability?

A permeable substance is one?

The commonly used material for shielding or screening magnetism is?

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

Which of the following is not a unit of flux?

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