CLASS 7 Chapter 14 Electric Current and Its Effects

Short answer type questions

Question 1. Draw the symbols of the following electric components

Question 2. What do you mean by a connected circuit?

Question 3. What is a battery?

Question 4. What happens to the circuit if the switch is in the Off position?

Question 5. Why electric fuses are important for our houses?

Question 6. What are MCBs?

Question 7. Why CFLs are better than electric bulbs?

Question 8. Who was Hans Christian Oersted?

Question 9. What are electromagnets?

Question 10. Write the uses of electromagnets.

Long answers type questions

Question 1. What are the heating effects of electric current? Where it is used?

Question 2. what is the use of electric fuses and MCBs?

Question 3. How electromagnets are made?

Question 4. Explain the working of an electric bell.

Question 5. What happens to the circuit when the switch is in the On position? Does the current flow through it?

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