equations/units Flashcards
1
Q
potential difference= ?
A
potential difference = current X resistance
2
Q
power= ?
A
power = potential difference X current
OR
power = (current)^2 X resistance
3
Q
energy transferred = ?
A
energy transferred = power X time
OR
energy transferred = charge flow X potential difference
4
Q
unit for current
A
amps, A
5
Q
unit for time
A
seconds, S
6
Q
unit for potential difference
A
volts, V
7
Q
unit for resistance
A
ohms, Ω
8
Q
unit for power
A
watts, W
9
Q
unit for energy transferred
A
joules , J
