I mean isn’t this wrong? It may be near 100% but there’s never 100% conversion to a single kind of energy. For example, even if it’s just a tiny faction, magnetic field convert electrical energy to kinetic energy, no?
Okay so the light bulb example can be wrong. My grandpa would heat his room with a 100 watt bulb meaning both the light and the heat were useful outputs.
No way a teacher wouldn’t know this!
I mean isn’t this wrong? It may be near 100% but there’s never 100% conversion to a single kind of energy. For example, even if it’s just a tiny faction, magnetic field convert electrical energy to kinetic energy, no?
100% of that tiny fraction still returns to heat.
Ah so we count following convertions. That clarifies things, thx.
Okay so the light bulb example can be wrong. My grandpa would heat his room with a 100 watt bulb meaning both the light and the heat were useful outputs.