Surya posted an Question
March 01, 2022 • 14:22 pm 30 points
  • IIT JAM
  • Physics (PH)

A straight wire of mass 10.8 g and length 5.0 cm is suspended from two identical springs that, in turn, form a closed circuit (see the figure below). the spring

A straight wire of mass 10.8 g and length 5.0 cm is suspended from two identical springs that, in turn, form a closed circuit (see the figure below). The springs stretca distance of 0.54 cm under the weight of the wire. The circuit has a total resistance of 13 n. When a magnetic field directed out of the page (indicated by the dots in the figure) is turned on, the springs are observed to stretch an additional 0.30 cm. What is the strength of the magnetic field? (The upper portion of the circuit is fixed.)

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