CBSE Class 8 - Charges and their Interaction Videos

• Dear Sir / Mam,  Please explain in detail about charging by induction and conduction and also their differences.
• sometimes a crackling sound is Heard while taking off a sweater during winters explain
• What is the cause of lightning?
• Cite any two examples where the objects may get charged when rubbed against any other object.
• By which device can we test whether an object is carrying charge or not?
• What is earthing? Why it is done?
• Explain the construction of an electroscope.
• Describe an activity to show that charging can be done by rubbing the objects.
• A negatively charged object repels another charged object kept close to it. What is the nature of charge on the other object?
• Does a charged object get uncharged on touching with hand? Explain. What is this phenomenon called?

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