Lesson: Chapter 10 — Power and energy in electrical appliances

Putting the chapter together 1 of 3 Reset answers

Clear all your answers?

This erases every answer in this set and starts you again at question one. Your score will be gone.

Type these four numbers to confirm:

Those numbers don't match. Look at them again and type them.

Yes, clear Keep them

Question 1

Which equation gives the power of an appliance?

A P = I ÷ V B P = V ÷ I C P = VIt D P = VI

The right answer is the one marked above.

P = VI. Multiplying by time gives energy, E = VIt.

Answer the question to continue.