Question

Which describes the energy transformations for a radio?

A. electrical to sound
B. sound to chemical to electrical
C. solar to thermal
D. electrical to sound to thermal

Please help ASAP. Thanks! :0)

Answer 1

This is a good place to use your brain.
... If toxic substances do not leak out of a radio, you can cross out the one with 'chemical' in it. (B).
... If you can't use a radio as a heater, then you can cross out the ones with 'thermal' in them. (C and D).
... That only leaves one good choice.

Answer 2

A electrical to sound