Concept:A fuse must be connected in series with the live wire before it reaches the heating element.Explanation:The fuse melts and breaks the circuit when the current becomes too high.It should disconnect the live supply so that the appliance is completely isolated from the dangerous live terminal.If the fuse is placed on the neutral wire, the heating element remains connected to the live wire even after the fuse blows, creating a serious shock hazard.Thus, the correct connection is the one where the fuse is on the live wire.Answer:B. II
