energy and power Flashcards
1
Q
what is power
A
power is The energy transformed or transferred per second. The unit of power is the watt
2
Q
what is 1 watt equal to
A
1 watt is equal to 1j/s
2
Q
what happens when the appliance is more powerful
A
when the appliance is more powerful the faster the rate at which it transfers energy
3
Q
what is the useful power for any appliance
A
the useful power for any appliance is the useful energy per second transferred to it
4
Q
what is the total power for any appliance
A
the total power for an appliance is the energy per second supplied to it
5
Q
A
