P5 Flashcards
1
Q
WHAT IS POWER?
A
the rate in which energy is transferred
2
Q
WHAT IS P.D OF THE MAINS SUPPLY
A
230V
3
Q
WHAT ARE THE TWO EQUATIONS FOR POWER?
A
power= energy transferred / time
power= current x P.D
4
Q
WHAT IS AN ELECTRIC CURRENT?
A
a flow of charge