Question:

A thin flexible wire of length L is connected to two adjacent fixed points and carries a current I in the clockwise direction as shown in figure. When the system is put in a uniform magnetic field of strength B, going into plane of paper, the tension developed in the wire will be:

q4

Options :

  • (a) IBL
  • (b)IBL/π
  • (c)IBL/2π
  • (d)IBL/4π

Answer :

(c)IBL/2π

Answer Steps :

step 1:

step 2:

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