difference across the 12.0 Ω resistor is 1.20 V, calculate the emf of the cell. 45. Req = 13.5 Ω ... (b) I = V / Reff = 1.5 / 2 = 0.75 A.
Answer:
80
Explanation:
Voltage= current * resistance
V= IR
Remember I= current and the unit of current is amps= A