Question

AB and CD are long straight conductors,
distance d apart carrying a currnt I. The
magnetic field on BC due to the currents in AB
and CD.
B
Only one option is correct
O
is zero at all points
A
B
O
is zero only at its micpoint
3
has different magnitudes at
O differnt points
O
is maximum at its micpoint.​

Answer 1

Answer:

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