Test Academy | An electric fan is rotating at a speed of 600 rev/minute. When the power supply is stopped, it stops after 60 revolutions. The time taken to stop is 12 s, 30 s, 45 s, 60 s

Question

An electric fan is rotating at a speed of 600 rev/minute. When the power supply is stopped, it stops after 60 revolutions. The time taken to stop is

Options :

12 s
30 s
45 s
60 s

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