Question
(a) What current is needed to transmit $1.00 \times 10^2 \textrm{ MW}$ of power at 480 V? (b) What power is dissipated by the transmission lines if they have a $1.00 \Omega$ resistance? (c) What is unreasonable about this result? (d) Which assumptions are unreasonable, or which premises are inconsistent?
1. $2.08 \times 10^5 \textrm{ A}$
2. $43.4 \textrm{ GW}$
3. This power wasted is more than the output of the power plant, and it's wasted by dissipation in the wires.
4. The voltage is too low for transmission of this much power.
Solution Video