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.

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
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   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.

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