Unique Power Equation Gcse
HttpswwwfreesciencelessonscoukworkbooksIn this video we look at what is meant by power and then how we can calculate.
Power equation gcse. The power of an electrical component or appliance is given by the equation. Power potential difference current 230 20 460 W. The power of a device depends on the voltage and current of the device.
This equation is important. This video covers- The two definitions of power- Difference between energy transferred and work done- How to use the power equation General info- Suitable. Power is the rate of using energy.
Lens power is measured in dioptres D. P V x I power voltage x current. KE ½ mv2.
Power is measured in Watts W. Find my revision workbooks here. Power is the rate of energy transfer.
Now available in the shop. Learn about and revise the rate of energy transfer and calculating power and efficiency with GCSE Bitesize Physics. A 100W light bulb will use more electrical energy than a 60W bulb if they are both on for the same length of time.
Practice converting prefixes kW--MW etc Creative Commons Sharealike Reviews. How much energy is transferred per second. Power is the rate of energy transfer the amount of energy transferred per second.