Uses of Electricity Quiz - CBSE Class 4 Science

Free practice quiz: Uses of Electricity (CBSE Class 4 Science). 19 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

This CBSE Class 4 Science practice quiz has 19 multiple-choice questions on Uses of Electricity, and 19 of them come with an explanation. Try the 5 sample questions below (tap an option to check yourself), then play the full quiz online. No sign-up needed.

Sample questions

1. What appliance uses electricity to keep food cold?

   1. Refrigerator
   2. Washing Machine
   3. Television
   4. Microwave
   Show answer

   Answer: A. Refrigerator

   A refrigerator uses electricity to keep food cold and preserve it for a longer time.

2. What device is used to measure the amount of electricity used?

   1. Thermometer
   2. Voltmeter
   3. Electric meter
   4. Hydrometer
   Show answer

   Answer: C. Electric meter

   An electric meter measures the amount of electrical energy consumed in a household.

3. How can electricity be dangerous?

   1. It can cause blackout
   2. It can lead to electric shock
   3. It can cook food
   4. It can keep food cold
   Show answer

   Answer: B. It can lead to electric shock

   Electricity can be dangerous as it can lead to electric shocks if proper safety precautions are not followed.

4. What is the primary function of an electric transformer?

   1. To generate electricity
   2. To change voltage levels
   3. To store electricity
   4. To measure electricity
   Show answer

   Answer: B. To change voltage levels

   An electric transformer is primarily used to change the voltage level of electric current for transmission and distribution.

5. What system uses signal transmission to send data over distances?

   1. Television
   2. Telephone
   3. Solar panel
   4. Fridge
   Show answer

   Answer: B. Telephone

   Telephones use electrical signals to transmit voice data over distances, allowing communication.

More questions in this quiz

Answers and explanations are in the full quiz.

1. Which of the following devices can convert electrical energy into sound?
2. Why do we use electricity in our homes?
3. What is one use of electricity in communication?
4. How does electricity help in transportation?
5. What happens when you switch on a light bulb?
6. Which energy-efficient appliance can save electricity?
7. What is a renewable source of electricity?
8. Which device is crucial for converting alternating current (AC) to direct current (DC)?
9. Which of the following is an electric vehicle?
10. What is the main benefit of using solar panels?
11. How do batteries work in electronic devices?
12. What is the primary use of electricity in factories?
13. Which of these statements is true about smart homes?
14. How does electricity impact water heating systems in modern homes?

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