A tungsten wire is 150m long and has a diameter of 100 mm, Physics

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A tungsten wire is 150m long and has a diameter of 100 mm

A tungsten wire is 1.50m long and has a diameter of 1.00 mm. At 20 degrees celsius a current of 50mA flows through the wire.

a. Determine the potential across the wire.

b. If the wire temperature increases by 100 C, what potential is now required to produce a current of 50mA?

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Physics: A tungsten wire is 150m long and has a diameter of 100 mm

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Physics: A tungsten wire is 150m long and has a diameter of 100 mm

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