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Physics
Physics
Problem
The maximum value of the emf induced in a coil of
N
N
N
turns and area
A
A
A
rotating with constant angular speed
ω
\omega
ω
in a uniform magnetic field
B
B
B
is a)
N
B
A
ω
sin
ω
t
N B A \omega \sin \omega t
N
B
A
ω
sin
ω
t
b)
N
B
A
ω
2
π
\dfrac{N B A \omega}{2\pi}
2
π
N
B
A
ω
c)
N
B
A
ω
N B A \omega
N
B
A
ω
d)
N
B
A
N B A
N
B
A
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