Nichrome wire of cross-sectional radius 0769 mm is to be, Ask an Expert

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Nichrome wire of cross-sectional radius 0.769 mm is to be used in winding a heating coil. If the coil must carry a current of 9.50 A when a voltage of 3.00102V is applied across its ends, find the following.

(a) the required resistance of the coil

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

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