3. (25 pts) Three very long wires are oriented perpendicular to the page with each wire...

Question

Question

Answer 1

Answer #1

magnetic field due to an infinitely long current carrying conductor is calculated from Ampere's law,

I) magnetic field due to wire A,

this field will be directed upwards

II) magnetic field due to wire B,

this field will be directed downwards

III) magnetic field due to wire C,

this field will be directed upwards

net magnetic field at point P due to all wires,

and this field will be directed upwards

b) force exerted by this magnetic field on charge is ,

so velocity of charge is,

Answer 2

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