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Standard X

Physics

Transformers

The diagram s...

Question

The diagram shows a coil of several turns of copper wire near a magnet $N S$ . The coil is moved in the direction of the arrow shown in the diagram.

How would the current in coil be altered if:
the coil was made to move three times fast?

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Solution

For the given question current induced in coil is directly proportional to velocity of coil.
Hence, on increasing the coil velocity to three times in the direction of magnet, current becomes thrice.

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The diagram in Fig. shows a coil of several turns of copper wire near a magnet NS. The coil is moved in the direction of arrow shown in the diagram.
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The diagram shows a fixed coil of several turns connected to a centre zero galvanometer G and a magnet NS which can move in the direction shown in the diagram.

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Q. The diagram shows a coil of several turns of copper wire near a magnet

N S

. The coil is moved in the direction of the arrow shown in the diagram.

How would the current in coil be altered if:
the coil has twice the number of turns

Q. The following diagram in figure shows a coil of several turns of copper wire near a magnet NS. The coil is moved in the direction of arrow show in the diagram. How would the current in coil be altered if the coil was made to move three times as fast?

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Transformers

Standard X Physics

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The diagram shows a coil of several turns of copper wire near a magnet NS. The coil is moved in the direction of the arrow shown in the diagram. How would the current in coil be altered if: the coil was made to move three times fast?

For the given question current induced in coil is directly proportional to velocity of coil. Hence, on increasing the coil velocity to three times in the direction of magnet, current becomes thrice.

The diagram shows a coil of several turns of copper wire near a magnet $N S$ . The coil is moved in the direction of the arrow shown in the diagram.

How would the current in coil be altered if:
the coil was made to move three times fast?

For the given question current induced in coil is directly proportional to velocity of coil.
Hence, on increasing the coil velocity to three times in the direction of magnet, current becomes thrice.