In a nuclear power plant, the amount of electricity that is generated is regulated by
A) moving the nuclear fuel in and out of water.
B) changing the water levels that surround the control rods.
C) releasing surplus heat out of cooling towers that are always part of nuclear power plants.
D) moving submerged control rods away from or between the submerged fuel rods.
Question 2
When a windmill turns to generate electricity, the amount of kinetic energy input in the process
A) equals the amount of electrical energy produced.
B) is less than the amount of electrical energy produced.
C) is more than the amount of electrical energy produced.
D) is unrelated to the amount of electrical energy produced.