Question

which action represents a conversion of electrical energy into thermal energy?
a a flashlight shining in the dark
b a phone vibrating from a text
c a toaster warming a slice of bread
d a basketball bouncing on the court

Explanation:

A toaster uses electrical energy to heat up and toast bread, converting electrical energy into thermal energy. A flashlight converts electrical energy into light energy. A phone vibrating from a text uses electrical energy for mechanical - vibration energy conversion. A basketball bouncing on the court is a matter of mechanical energy transfer.

Answer:

C. A toaster toasting a slice of bread