Science question?

1. The energy transfer represented when a hair dryer is in use includes:

A. electrical to heat, mechanical, and sound B. heat only

C. electrical to mechanical

D. electrical to radio

Science question?

the answer is A).

Science question?

i think it is (a)

Science question?

B

Science question?

a

Science question?

actually, I would say the answer is A except for one small thing:

The energy transfer IS from electrical to both heat (via the element) and mechanical (via the fan motor), but not sound. the sound is technically a product of energy transfer from mechanical to sound, as the fan motor is making the noise.

........................but i've been wrong before.......