A circular coil carrying current ' 
' has radius ' 
' and magnetic field at the centre is ' 
'. At what distance from the centre along the axis of the same coil, the magnetic field will be 
?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Magnetic field at the centre of a current carrying circular coil at distance 
along its axis is
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