Question text
28 Which equation is correct for potential difference (p.d.)? A p.d. = voltage × current energy B p.d. = time work done C p.d. = charge current D p.d. = resistance
28 Which equation is correct for potential difference (p.d.)?
A p.d. = voltage × current
energy
B p.d. =
time
work done
C p.d. =
charge
current
D p.d. =
resistance
Select your answer: