Concept:In a standard three-pin plug, the top terminal is earth, the bottom-left terminal is neutral, and the bottom-right terminal is live.
Explanation:From the diagram, wire
P connects to the earth terminal at the top.
Wire
Q connects to the neutral terminal at the bottom-left.
Wire
R connects to the live terminal at the bottom-right.
So the wires
P,Q,R are earth, neutral, and live in that order.
Answer:D. earth, neutral and live