If in a circular coil of radius
, current
is flowing and in another coil
of radius
a current
is flowing, then the ratio of the magnetic fields,
and
, produced by them will be
1
2
1/2
4
As we learnt in concept
Magnetic Field due to circular coil at Centre -
Option 1)
1
Correct option
Option 2)
2
Incorrect option
Option 3)
1/2
Incorrect option
Option 4)
4
Incorrect option
Study 40% syllabus and score up to 100% marks in JEE