Physics - Power
Energy
If velocity is the rate of change of displacement, work done is?
The rate of change of energy.
How is efficiency calculated?
\[\frac{\text{useful output energy}}{\text{total input energy}} \times 100%\]
2021-02-03
If
\[P = \frac{W}{t}\]and
\[W = VQ\]How could you write the formula for $P$??
\[P = \frac{VQ}{t}\]#####
\[P = \frac{VQ}{t}\]How could you rewrite this??
\[P = IV\]If \(P = \frac{W}{t}\) and \(W = VQ\) How could you write the formula for $P$?
\[P = \frac{VQ}{t}\]
If
\[V = IR\]and
\[P = IV\]How could you rewrite the power equation??
\[P = I^2R\]If
\[I = \frac{V}{R}\]How could you rewrite the power equation??
\[P = \frac{V^2}{R}\]What is electrical power?
The rate of energy transfer per component.