PHYSICS · Single correct · A Level · Physics · Electricity · Electricity
Problem
What is the definition of electromotive force?
(A) the electrical work done by a source in moving a unit charge around a complete circuit
(B) the electrical work done by a unit charge passing through a component
(C) the mechanical work done by a source in moving a unit charge around a complete circuit
(D) the mechanical work done by a unit charge passing through a component