A 1.5 V battery delivers a current of 0.40 A to a 2.5 resistor
PHYSICS · Single correct · A Level · Physics · Electricity · Electricity
Problem
A 1.5 V battery delivers a current of 0.40 A to a 2.5 Ω resistor. What is the internal resistance of the battery?
(a) 3.8 Ω
(b) 0.50 Ω
(c) 1.3 Ω
(d) 2.5 Ω