Questions
Three long, straight and parallel wires carrying currents are arranged as shown in the figure. The wire C which carries a current of5.0A is so placed that it experiences no force. The distance of wire C from wire D is x centimetre. Then x is.
detailed solution
Correct option is A
For no force on wire C, force on wire C due to wireD = force on wire C due to wire B⇒μ04π×2×15×5x×1=μ04π×2×5×10(15−x)×t⇒x=9cmTalk to our academic expert!
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Four long insulated current carrying wires, cross each other as shown in the figure. If the separation between any pair of parallel wires is d, the magnetic induction at O is
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