Physics, 01.12.2020 01:00 Anybody6457
A metallic wire of resistivity 2x 10-7Ω.m, has a section of 1 mm diameter & a resistance of 2.55 Ω. An electric current I passes through it. The electric energy consumed during 5 min. is 150 J.
a. Calculate the length L of the wire.
b. Calculate the quantity of electricity that crosses the wire during 0.025 hours. (4pts)
Answers: 2
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A metallic wire of resistivity 2x 10-7Ω.m, has a section of 1 mm diameter & a resistance of 2.55...
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