ICSE Class 8: The Static Electricity Videos | Working of simple electroscope

• describe how you determine the kind of charge acquired by a plastic comb after combing dry hair. do hair too get charged in this process ? if so, state the evidence to verify it.
•  who is responsible for flow of electric current
• What is the theory of electrostatic force?
• what causes lightning?
• define 1) kWh 2)fuse 3)induction 4)static electricity  
• how did benjamin franklin discover that clouds are electrically charged in a thunder storm?
• explain static electricity on the basis of the atomic theory
• what are the precautions that one must take while handling electrical appliances? states any four points

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