A piece of nichrome wire has a radius of 72 x 10-4 m it is, Ask an Expert

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A piece of Nichrome wire has a radius of 7.2 x 10-4 m. It is used in a laboratory to make a heater that dissipates 3.30×102 W of power when connected to a voltage source of 130 V. Ignoring the effect of temperature on resistance, estimate the necessary length of wire.

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