A-LEVEL Physics: 5.1.9: Power & Conservation (Seneca) Flashcards
1
Q
What happens when Current Flows Through a Component with Resistance?
A
Power is Dissipated.
2
Q
What is ‘Power’?
A
Power is the Rate of Transfer of Energy.
3
Q
As Current Flows Through a Component with Resistance, ___ is Done. This Work is a…
A
Work, Power Output.
4
Q
Power = …
A
Current * Voltage
5
Q
Power = …
A
Current^2 * Resistance
6
Q
Energy = …
A
Power * Time
7
Q
The Total EMF in a Series Circuit = …
A
The Sum of Potential Difference Across Each Component.
8
Q
How is Energy put into the Circuit?
A
By the Voltage at the Cell.
9
Q
When Current Flows Through a Component, there is a…
A
Voltage Drop.
10
Q
The Total of all the Voltage Drops Across Each Component in the Circuit = …
A
The Amount of Voltage Supplied to the Circuit by the Cell.
