Physics Moving Charge and Magnetism Telangana & AP CET Previous Year Question MCQ (Single Correct)

Two infinitely long straight wires and , each carrying current I are placed on and -axis, respectively. The current in wires and flow along and directions respectively. The force on a charged particle having charge , moving from position, with velocity is

A
B

C
D
0

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The correct answer is:
B

The magnetic field due to the wire along direction at is

Similarly, magnetic field due to wire along direction at is

Resultant magnetic field at point due to both the wires,

Force on the charged particles,

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