What is the generator current?What would the loss in power be?

Complete the following exercises:
Ch. 10: #14, Ch.11: #1,3. Question #14 deals with biofuel, while #1,3 deal with electricity distribution. Hints: for #1 you’ll need to incorporate Ohm’s Law and combine the definition of the area of a circle with info provided for wires.

Pics of 1, 3, 14 attached.

Additional questions from Dr. B :
#AB 1 If a single thermonuclear power plant produces 1,300 MW of electric power, and the generator voltage is 20kV, what is the generator current?
#AB 2 If the nuclear power plant transmitted its 1,300 MW electric power output over two 345 kV transmission lines with 1.5 Ω resistence, what would the loss in power be?