Energy&Power Flashcards
1
Q
What is the equation which involves…
Energy transferred
Power rating
Time
A
Energy = power rating X time
Transferred
2
Q
What is the formula for electrical power?
A
Power= current X potential
difference
P= I X V
3
Q
What is the equation linking Q, V and E?
A
Energy=charge (Q) X voltage(V)
4
Q
What energy transformation occurs when electric current flows through a resistor?
A
Electrical energy (to kinetic energy)to heat energy
5
Q
Whenever a current flows through anything with electrical resistance what is this electrical energy converted into?
A
Heat energy
