In the SI, energy is measured in joules.
In an elecrical socket.
example of devides that can convert to elecrical energy
The most common is the generator. But don't forget the piezoelectric crystals in ignitors and strain gauges.
elecrical current creates a magnetic field
lotion
for energy
some bad uses are nuclear bombs.
Most uses include energy and weapons although some nuclear energy is used for materials.
Voltage
sound energy is produced by a guitar that is plucked....:)
their house