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What are eddy currents ?...

What are eddy currents ?

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Eddy currenis: See Very Short Answer Type Qucstion No. I2 (1 Mark) Demeris of eddy currents: See Short Answer Type Question No. 8 (2 Marks)
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What cause eddy currents?

Which of the following is not an application of eddy currents?

How eddy currents are produced? give two applications of eddy currents.

The eddy currents have both desitable and undesirable effects.

A metal disc is winging freely between the poles of an electromagnet, as shown in the figure. When the electromagnet is switched on, the disc comes to rest after a few oscillations. Explain why eddy currents are induced in the metal disc.

Direction. In the follwing questions, a statement of assertion is followed by a statement of reason. While answering a question, you are required to choose the correct are out of the given four responses and mark it as (A). If both assertion and reason are true and reason is the correct explanation of the assertion, (B) if both assertion and reason are true but reason is not correct explanation of the assertion. (C) if asssertion is true, but reason if false, (D) if both assertion and reason are false Assertion : If current is flowing through a machine of iron, eddy currents are produced. Reason : Change in magnetic flux through an area causes eddy current.