Q1. What is the purpose of the switch?
A1. The switch controls the flow of current — it allows the bulb to be turned ON or OFF safely.

Q2. Why should we check wire connections carefully?
A2. Loose or wrong connections can stop the circuit from working or cause short circuits and safety hazards.

Q3. What does insulation on a wire do?
A3. Insulation protects us from electric shock by keeping the current inside the wire.

Q4. What tool is used to tighten connections?
A4. A screwdriver is used to tighten screws on switches, plugs, and bulb holders.

Q5. What happens if a wire is left loose or exposed?
A5. It can cause sparks, short circuits, or electric shock — always tape or secure loose ends properly.