A piece of Nichrome wire has a radius of 6.5 10-4 m. It is used in
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A piece of Nichrome wire has a radius of 6.5 × 10-4 m. It is used in a laboratory to make a heater that uses 4.00 × 102 W of power when connected to a voltage source of 120 V. Ignoring the effect of temperature on resistance, estimate the necessary length of wire.
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