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Byju's Answer
Standard XII
Physics
Using Lenz's Law
The magnetic ...
Question
The magnetic flux linked with a coil is changed from
10
Weber to
1
weber in
0.1
sec. Find the electromotive force induced in the coil.
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Solution
Change n in magnetic flux
Δ
ϕ
=
1
−
10
=
−
9
Weber
Time taken
Δ
t
=
0.1
sec
So, emf induced in the coil
E
=
−
Δ
ϕ
Δ
t
⟹
E
=
−
(
−
9
)
0.1
=
90
Volts
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