cse • paper_1 • electrodynamics
[UPSC CSE 2005] Electrostatics and Magnetostatics (Q201, 30M)
- (a) Consider two long and straight current carrying wires placed parallel to each other a certain distance apart. Derive an expression for the force per unit length experienced by these wires. Discuss that the attractive (repulsive) nature of this force is related to the directions of flow of currents in the two wires.
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