Question

A rod of 3.0-m length and a square (2.0 mm X 2.0 mm) cross section is made of a material with a resistivitYof 6.0 X 10-8 Ω m. If a potential difference of 0.60 V is placed across the ends of the rod, at what rate is heat generated in the rod in watt.

Select one:
a. 24
b. 12
c. 4
d. 8

Answer 1

I think it’s c not sure just answering Radom questions