1. Calculate the resistance of a copper wire 5 m long and 0.3 mm diameter. The resistivity is 1.7 x 10-8
Ohm metre. (Answer 1.202 W)
2. Calculate the resistance of a nichrome wire 2 m long and 0.2 mm diameter given r = 108 x 10-8
(Answer 68.75 W)
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