Safety Measures: Electric Shocks MCQs Quiz | Class 9

This quiz is for Class IX students studying Home Science (Code 064), focusing on Unit VII: Measures of Safety & Management of Emergencies. It covers essential topics like the prevention of electric shocks, safe handling of electrical appliances, and basic first response procedures. Attempt all questions and click “Submit Quiz” to see your score and download a PDF of your answers.

Understanding Electrical Safety and First Aid

Electrical shocks are a serious hazard in any home. Understanding how to prevent them and what to do in an emergency can save lives. This topic covers the fundamental principles of electrical safety, from handling appliances correctly to administering first aid after an incident.

Key Concepts in Electrical Safety

1. Prevention of Electric Shocks

The best way to deal with an electric shock is to prevent it from happening in the first place. Key preventive measures include:

  • Regularly Inspect Wiring: Check for frayed or damaged cords and plugs. Never use a device with a damaged cord.
  • Avoid Overloading Sockets: Plugging too many high-power appliances into a single outlet can cause overheating and lead to a fire. Use power strips with circuit breakers.
  • Use Quality Products: Always buy electrical appliances and accessories that have a standard safety mark, like the ISI mark in India.
  • Keep Electrical Devices Away from Water: Never use electrical appliances near sinks, bathtubs, or pools.

2. Safe Handling of Appliances

Proper handling is crucial for safety. Follow these simple rules:

  • Dry Hands: Always ensure your hands are completely dry before touching or operating any electrical switch or appliance.
  • Unplug Correctly: When unplugging a device, pull the plug itself, not the cord. Pulling the cord can damage the wiring.
  • Turn Off Before Plugging/Unplugging: It’s a good practice to turn off the switch before plugging in or removing a plug from the socket.

3. First Response Basics for Electric Shock

If someone suffers an electric shock, acting quickly and correctly is vital. Follow these steps:

  1. Do Not Touch the Person: If the person is still in contact with the electrical source, do not touch them directly, as the current can pass through you.
  2. Turn Off the Power: The first and most important step is to switch off the main power supply or unplug the appliance.
  3. Separate from the Source: If you cannot turn off the power, use a non-conductive object (like a dry wooden stick, a broom handle, or a plastic rod) to push the person away from the electrical source.
  4. Check for Response: Once the person is safe, check if they are conscious. Call for emergency medical help immediately.
  5. Check Breathing and Pulse: If the person is unconscious, check for breathing and a pulse. If they are not breathing, begin CPR (Cardiopulmonary Resuscitation) if you are trained to do so.
Do’s Don’ts
Use plugs that fit snugly into sockets. Use appliances with damaged or frayed cords.
Install Earth Leakage Circuit Breakers (ELCBs) for safety. Touch electrical devices with wet hands.
Keep electrical cords away from high-traffic areas. Use water to extinguish an electrical fire.
Educate children about the dangers of electricity. Overload a single electrical outlet.

Quick Revision Points

  • Priority #1: Always turn off the main power source before helping a victim.
  • Water and electricity are a deadly combination. Keep them separate.
  • Use non-conductive materials like dry wood or plastic to move a victim if the power is on.
  • A frayed wire is an open invitation to danger. Replace it immediately.
  • The ISI mark ensures an appliance has met basic safety standards.

Practice Questions

  1. Why is it dangerous to overload a single electrical socket?
  2. Name two materials that are good insulators of electricity.
  3. What is the correct procedure for unplugging an appliance from a wall socket?
  4. If you cannot turn off the power, describe how you would safely rescue someone receiving an electric shock.
  5. What type of fire extinguisher is suitable for an electrical fire? (Hint: Not water-based).