Question

When electrical energy is converted into thermal energy, which of the following must be true?

Only the amount of electrical energy changes.
Only the amount of thermal energy changes.
The total amount of thermal energy plus electrical energy changes.
The total amount of thermal energy plus electrical energy doesn't change.

Answer 1

Will the conversion process be 100% efficient?

Answer 2

yes

Answer 3

If that is the case whahat do you think is the correct answer?

Answer 4

third one?

Answer 5

If that was right where does the lost energy go? Remember we said the process was 100% efficient.

Answer 6

forth one

Answer 7

Good work!

Answer 8

thanks:)

Answer 9

You're welcome :)