magnetism Flashcards

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0
Q

Tesla?

A

The magnetic flux density is 1T when a wire carrying current of 1A placed at right angles to the magnetic field experiences a force of 1N per metre of its length.

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1
Q

Magnetic flux density?

A

The magnetic flux density at a point in space is the force experienced per unit length by a long straight conductor carrying unit current and placed at right angles to the field.

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2
Q

Magnetic flux?

A

The magnetic flux through area is defined as the number of magnetic field lines passing through an area.

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3
Q

Weber??

A

One weber is equal to one Tesla meter squared.

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4
Q

Faradays law ??

A

States that the magnitude of the induced EMF is equal to the rate of change of magnetic flux linkage.

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5
Q

Lenz law??

A

States that the induced current Or emf is in a direction so as to produce effects which are oppose the change that is producing it.

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