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Physics
Physics
Problem
Which of the following gives the maximum (peak) value of the emf produced by a coil of
N
N
N
turns, each of area
A
A
A
, rotating with angular speed
ω
\omega
ω
in a uniform magnetic field
B
B
B
? a)
E
0
=
B
A
N
ω
E_0 = \dfrac{BAN}{\omega}
E
0
=
ω
B
A
N
b)
E
0
=
1
2
B
A
N
ω
E_0 = \dfrac{1}{2}BAN\omega
E
0
=
2
1
B
A
N
ω
c)
E
0
=
B
A
N
ω
E_0 = BAN\omega
E
0
=
B
A
N
ω
d)
E
0
=
2
B
A
N
ω
E_0 = 2BAN\omega
E
0
=
2
B
A
N
ω
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