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What is called electrostatics?
(N/A) Electrostatics is the branch of physics that deals with the study of electric charges at rest. It involves the analysis of forces,fields,and potentials associated with static electric charges.
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In Millikan's oil drop experiment for the determination of the charge on the electron,the reason for using oil is:
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View SolutionFive balls numbered $1$ to $5$ are suspended using separate threads. Pairs $(1, 2)$,$(2, 4)$,and $(4, 1)$ show electrostatic attraction,while pairs $(2, 3)$ and $(4, 5)$ show repulsion. Therefore,ball $1$ must be:
Medium
View Solution$A$ solid of mass $1 \ kg$ has $6 \times 10^{24}$ atoms. If one electron is removed from every one atom of $0.005 \%$ of the atoms,then the charge gained by the solid is
Which of the following charges is possible?
$(a)\ 3.2 \times 10^{-20} C$ $(b)\ 3.2 \times 10^{-18} C$
$(c)\ 3 \times 10^{-19} C$ $(d)\ 6 \times 10^{-17} C$
$(a)\ 3.2 \times 10^{-20} C$ $(b)\ 3.2 \times 10^{-18} C$
$(c)\ 3 \times 10^{-19} C$ $(d)\ 6 \times 10^{-17} C$
Medium
View SolutionWhat is a point charge?
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