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Byju's Answer
Standard X
Physics
Faraday's Experiment
A coil of rad...
Question
A coil of radius R carries current I Another concentric coil of radius r(r
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Similar questions
Q.
A coil of radius
R
carries current
I
. Another concentric coil of radius
r
(
r
<
<
R
)
carries current
i
. Planes of two coils are mutually perpendicular and both the coil are free to rotate about common diameter. Find the maximum kinetic energy of the smaller coil when both the coils are released. Masses of coils are
M
and
m
, respectively.
Q.
A circular coil A of radius r carries current i. Another circular coil B of radius 2r carries current of i. The magnetic fields at the centres of the circular coils are in the ratio of
Q.
A coil of radius
R
carries current
i
1
. Another concentric coil of radius
r
(
r
<
<
R
)
carries current
i
2
. Places of two coils are mutually perpendicular and both the coils are free to rotate about common diameter. If the maximum kinetic energy of smaller coil when both are released is
μ
0
i
1
i
2
π
r
2
M
R
X
(
M
R
2
+
m
r
2
)
. Find X?
Masses of coils are
M
and
m
, respectively.
Q.
A circular coil of
′
N
′
turns and radius
′
R
′
carries a current
′
I
′
. It is unwound and rewound to make another coil of radius
′
R
/
2
′
, current
′
I
′
remaining the same. Calculate the ratio of the magnetic moments of the new coil and original coil.
Q.
A coil of radius R carries a current I. Another concentric coil of radius r ( r < < R) carries current
I
2
. Initially planes of the two coils are mutually perpendicular and both the coils are free to rotate with M and m respectively (m < M). During the subsequent motion, let
K
1
a
n
d
K
2
be the maximum kinetic energies of the two coils respectively and let
U
be the magnitude of maximum potential energy of magnetic interaction of the system of the coils. Choose the correct options :
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