A wire of length 12 cm issuspended by flexible leads above a long, straight wire

Question

A wire of length 12 cm issuspended by flexible leads above a long, straight wire. Equal butopposite currents are established in the wires such that the12 cm wire floats 1.5 mm above the long wire with no tension in itssuspension leads. If the mass of the 12 cm wire is 6 g,what is the current?

I = __________ A
A wire of length 12 cm issuspended by flexible leads above a long, straight wire. Equal butopposite currents are established in the wires such that the12 cm wire floats 1.5 mm above the long wire with no tension in itssuspension leads. If the mass of the 12 cm wire is 6 g,what is the current?

I = __________ A

Explanation / Answer

Here Current is :             I = [ (4 m gR) / (2 o L)]                = [ m gR / (2 x 10-7 *L )]                = [ ( 6 x 10-3 * 9.8 * 1.5 x10-3 ) / (2 x 10-7 *12 x10-2 )]                = 60.6 A Hope this helps u!

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