Author Question: Power is transmitted at high voltages because the corresponding current in the wires is A) also ... (Read 90 times)

B · **on:** Jul 29, 2018

Power is transmitted at high voltages because the corresponding current in the wires is

A) also high to deliver appreciable power to distant places.
B) low so that overheating of the wires is minimized.
C) either of these
D) neither of these

Question 2

The principle difference between a step-up and step-down transformer is

A) step-up transformers can handle more current.
B) different geometries.
C) different ratios of turns of wire for each.
D) none of the above