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Science / Electric current and its effects

Science / Electric current and its effects

Do you know what is common between an electric eel, a bolt of lightning, and a glowing bulb?

It is electricity ! An electric eel is a fish that makes its own electricity, Lightning is spark of electricity in the air and bulb uses electricity to glow.

Electricity is a form of energy produced by charges. It is difficult to imagine our life without electricity.

An electric circuit is closed path in which current flows. It comprises of electric components (cell or battery, bulb, switch ).

Learn to make different electrical circuits and distinguish between open and closed circuit.
Explore and understands the different effects of electricity in your daily life.

  • Heating effect - Heating of Electric iron
  • Mechanical effect - Working of Vacuum cleaner
  • Magnetic effect - Working of electric bell
  • Chemical effect - Polishing of artificial jewellery

Learn to save electrical appliances from excessive current by using electric fuse. Current can rise due to following reasons :

  • Overloading ( too many higher power appliances turned on )
  • Short circuiting ( live wire and neutral wire joined together )
  • Fluctuation in voltage
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Exercises
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  • Electricity - SmartTest

    Electricity

    • Accessed by: 620 Students
    • Average Time: 00:05:39
    • Average Score: 58.72
    • Questions: 20
    • Introduction to Electric current and its effects
    • Electric conductors & insulators
    • Electric circuit & diagrams
    • Heating effect of electricity
    • Magnetic effect of electricity
    • Review of Electric current and its effects
  • Electric Current and its Effects -- Summary

    Learnhive Lesson on Electric Current and its Effects

    • Accessed by: 400 Students

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