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Tardigrade
Question
Physics
A circular coil of n turns and radius R has a magnetic induction of strength at its centre is
Q. A circular coil of
n
turns and radius
R
has a magnetic induction of strength at its centre is
3275
214
JIPMER
JIPMER 2014
Moving Charges and Magnetism
Report Error
A
B
=
2
R
μ
0
n
I
64%
B
B
=
2
R
μ
0
n
R
14%
C
B
=
R
μ
0
n
I
17%
D
3
2
2
R
μ
0
I
5%
Solution:
Magnetic induction at the centre of loop is
B
=
2
R
μ
0
n
I