cosmasvictor cosmasvictor 22-12-2020 Chemistry contestada c) A battery of emf, E drives a current of 0.25A when connected to a 5.5ohms resistor. Whenthe 5.5ohms resistor is replaced with a 2.5ohms resistor, the current flowing becomes 0.5A.Using E=V+Ir, Find the emf, E of the battery.