ICSE Class 7 - Electricity Videos

• explain the heating effect of electric current.
• Odd ones give the reasons for your choice out of copper, iron, pencil and Rubber
• When first electric cell was invented?
• Why electric cells and battery are divided into two parts negative side and positive side
• What are series and parallel combination? What is the practical utillity of these combinations?
• Compare the behaviour of appliances are connected in parallel circuit and in a series circuit  
• Explain the construction of a dry cell with an appropriate diagram 
• why are metals good conductors of electricity

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