a
ripple value
b
varying magnetic field
c
weaker magnetic field than direct current
d
stonger magnetic field than direct current
e
high peak value
Explanation
Correct Option
bVideo Explanation
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Discussions (3)
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
