level: power + energy
Questions and Answers List
level questions: power + energy
| Question | Answer |
|---|---|
| equation for calculating energy | E= P x t E= J P= W t= s |
| calc | 2000W |
| calc | 120s |
| equation for power | P= V x I P= W V= V I= A |
| calc | 2.5 W |
| how to calculate power when current and resistance through a component is given | P= I^2 x R P= W I= A R= ohms |
| calc | 8W |