can some1 please tell me the name of some devices which change--?

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can some1 please tell me the name of some devices which change--?

sound to electrical energy
p.e to k.e
electrical to k.e?

2007-02-07 14:00:14 · 2 answers · asked by shelly 3 in Science & Mathematics ➔ Physics

2 answers

1. A Microphone

2. A gun/bullet

3. A Speaker

2007-02-07 14:10:15 · answer #1 · answered by Dangermouse! 2 · 0⤊ 0⤋

Sound to electrical energy is a microphone

Pontential energy to kinetic energy is a Penstock/turbine of a hydro electric dam

Electrical to kinetic, ? I can only think of electrical water pump

2007-02-07 22:12:33 · answer #2 · answered by bob shark 7 · 0⤊ 0⤋