Moving Charges and Magnetism: NEET 2023

Hard· Magnetic Field at Centre of a Circular Current Carrying Arc· +4 / −1

A very long conducting wire is bent in a semi-circular shape from

A

B

as shown in figure. The magnetic field at point

P

for steady current configuration is given by : *Figure (described):* Two long straight collinear horizontal wire segments carry current

i

: the upper one towards the right ending at

A

, the lower one leaving

B

towards the left.

A

and

B

are joined by a semicircular arc of radius

R

whose centre is

P

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