Question

the thin copper wire with radius of 1.3 mm is wound into a torus shaped coil as revealed in figure. from copper wire 8.75 x 10-2 ampere electric current passing though in 4800 sec. number of free electrons per cubic meter in copper wire is 5.8 x 1028. calculate magnitude of electron’s drift velocity in the diameter of copper wire.
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Answer 1

Answer:

From copper wire 8.75 x 10- 2 ampere electric… ... of 1.3 mm is wound into a torus shaped coil as revealed in figure. ... per cubic meter in copper wire is 5.8 x 1028