Is one joule per second equivalent to one watt?

Apr 30, 2015

Yes, one Watt is defined as 1 Joule of energy per 1 second.

Power is defined as work per unit of time

$\text{Power" = "work done"/"time needed}$

The SI units for work and time are Joules and seconds, respectively. One Watt was defined as a power of 1 Joule per second.