A portion of nichrome wire of radius 395 mm is to be used, Physics

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A portion of nichrome wire of radius 395 mm is to be used

A portion of Nichrome wire of radius 3.95 mm is to be used in winding a heating coil. If the coil must draw a current of 9.70 A when a voltage of 120 V is applied across its ends, find the following. (Take the resistivity of nichrome to be 1.50 10-6 ? · m.)

(a) the required resistance of the coil

(b) the length of wire you must use to wind the coil

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Physics: A portion of nichrome wire of radius 395 mm is to be used

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Physics: A portion of nichrome wire of radius 395 mm is to be used

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