Electrical power and potential difference Flashcards
(5 cards)
1
Q
power supplied to a device is what
A
the energy transferred to it each second
2
Q
the energy transferred to a device is
A
E= P x T
3
Q
the electrical power supplied to an appliance is equal to
A
P= I x V
4
Q
when an electric current passes through a resistor what happens
A
the power supplied to the resistor heats it
5
Q
the resistor heats the surrounding so the energy supplied to it is
A
dissipated ti the surroundings
