What is the effect of eddy currents in the aluminium disc? Options: A . &nbspvaries by a factor of twice the disc length B . &nbspindependent of the disc speed C . &nbspvaries by a factor of four times the disc size D . &nbspproportional to the disc speed

What is the effect of eddy currents in the aluminium disc?

Question

What is the effect of eddy currents in the aluminium disc?

Options:

A . varies by a factor of twice the disc length

B . independent of the disc speed

C . varies by a factor of four times the disc size

D . proportional to the disc speed

Answer: Option D
Answer: (d).proportional to the disc speed

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