BMAT 2020 Section 2 Question 27

A bar magnet is rotating at a constant rate of 120 revolutions per minute inside a circular coil of wire, causing an induced voltage across the coil. Which of the following statements is/are correct?
1 Increasing the number of turns of wire on the coil would increase both the maximum value and the frequency of the induced voltage.
2 The direction of the induced voltage in this coil reverses every 0.25 seconds.
3 There is always an induced current in a conductor which is experiencing a change in magnetic field

Answer:

Sami Qamar

I’m Sami Qamar. I’m a YouTuber, Blogger, and first year med student.

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