# Cylindrical copper wire heater (resistivity of 1.7x109 2m) has a radius of 0.5 mm and a...

###### Question: cylindrical copper wire heater (resistivity of 1.7x109 2m) has a radius of 0.5 mm and a length of 10 m. What is the current on this wire when it is connected to a voltage source of 120 V? 10 A (a) 2.8 A (b) 65 A (c) 52A (d) 124 A

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