An electric space heater has a Nichrome heating element with a resistance of 6 Ω at...

An electric space heater has a Nichrome heating element with a resistance of 6 Ω at 20°C. When 120 V are applied, the electric current heats the Nichrome wire to 1004°C. The temperature coefficient of resistivity of Nichrome is 4 x 10^-4 K^-1.

(a) What is the initial current drawn by the cold heating element?

(b) What is the resistance of the heating element at 1004°C?

Solutions

Expert Solution

a)Initial current,

b)resistance of heating element at 1004 degrees,

Where temperature coefficient of resistivity

c) Operating wattage of heater at 1004,

genius_generous answered 1 year ago

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