The four letters ____ represent the unknown quantities in electrical power that may need to be found.

Question

Quizplus · Accepted Answer

The four letters used to represent unknown quantities in electrical power are P for power, I for current, R for resistance, and E for voltage. Choice C is the only answer choice that includes all four of these letters. Choice A includes M, which is not one of the four commonly used letters. Choice B includes A, which is also not one of the four commonly used letters. Choice D includes M and A, which are not the commonly used letters for representing unknown quantities in electrical power.

The Four Letters ____ Represent the Unknown Quantities in Electrical