How much the sun weigh compared to earth
2 answers:
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Answer:
diameter of transmission is 3.473 mm
Explanation:
given data
current = 300 A
total wire length = 1.0 m
voltage drop = 0.55 V
solution
as here Resistivity of copper is = 1.68 × ohm- m
so we get here resistance of wire that is
resistance = ..............1
R =
R = 1.774 × ohm
and now we get diameter of wire that is
R = .............2
d² = ...............3
put here value
d² =
d =
d = 3.473 × m
d = 3.473 mm
so diameter of transmission is 3.473 mm