Alternating current can induce voltage because it has a

dondaves

7 years ago

Without a varying magnetic field we cannot have induced voltage or current.
The correct answer should be .B

Goodynoble

5 years ago

Yes the correct answer is B✅
Induced voltage is produced by varying magnetic field. The induced voltage is proportional to the rate of change of magnetic flux linking the coil.

Ibugbeoluwa

9 years ago

The selected answer is wrong:

Rising and falling or collapsing and expanding of magnetic field which means varying magnetic field