Physics

Problem

Two long, parallel conductors

A

and

B

are kept

5\,\text{cm}

apart and oriented vertically. a. (i) Conductor

A

carries a current of

6\,\text{A}

upward. Conductor

B

carries a current of

6\,\text{A}

downward. At the midpoint

M

between the two wires, state separately the direction of the magnetic field produced by each conductor. b. (ii) Using your observations in part (i), determine the direction of the net magnetic field at point

M

. c. (iii) Point

N

lies

5\,\text{cm}

to the right of conductor

B

on the line joining

A

and

B

. Analyse the contributions from both conductors and state the direction of the net magnetic field at

N

. Provide full reasoning for each step.

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