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Why a copper rod cannot be charged by friction, if held by hand?
A crackling sound is heard while taking off sweater during winters. Explain the reason behind this.
Suppose you are outside your home and an earthquake strikes. What precaution would you take to protect yourself?
Explain the process of electric discharge.
What is lightning? How does lightning strike?
Explain earthing.
What do you mean by lightning conductor?
Why does a plastic comb rubbed with dry hair attract tiny pieces of paper?
What do you mean by earthing? What is the purpose of providing it in buildings?
How an electroscope can be charged through conduction?
Suppose you are at home and an earthquake strikes. What precaution would you take to protect yourself?