PHYSICS · Single correct · A Level · Physics · Electricity · Electricity
Problem
Two identical cells, each of emf 1.5 V and internal resistance 1 Ω, are connected in parallel and used to drive a 2 Ω resistor. What is the potential difference across the resistor while current flows?
(a) 0.75V
(b) 1.2V
(c) 1.5V
(d) 0.6V