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27-10-2022
Physics

Answered

2. A 5.00 A current passes through a copper wire (diameter 2.05 mm) and further through a lamp. Copper has 8.5 · 1028 free electrons per meter.
a) How many electrons pass through the lamp per second?
b) What is the current density through the wire?
c)* What will be the speed of an electron in the wire?

Answer :

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