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Coulomb’s Law Coulomb’s Law :- On the basis of experiments, Coulomb established the following law known as Coulomb’s law. The magnitude of electrostatic force between two point charges is (i) directly proportional to the product of charges and (ii) inversely proportional to the square of the distance between them. i.e. and ⇒…
Methods of Charging of a body The different methods of Charging of a body are :- (a) friction, (b) conduction, (c) induction, (d) thermionic ionization or thermionic emission (e) photoelectric effect and (f) field emission. (a) Charging by Friction : When a neutral body is rubbed against other neutral body then some electrons…
Properties of Electric Charge Properties of Electric Charge :- (i) Charge is a scalar quantity : It adds algebraically and represents excess, or deficiency of electrons. (ii) Charge is of two types : (a) Positive charge and (b) Negative charge Charging a body implies transfer of charge (electrons) from one body to another….
Electric Charge Charge of a material body or particle is the property (acquired or natural) due to which it produces and experiences electrical and magnetic effects. Some of naturally charged particles are electron, proton, α-particle etc. Charge is a derived physical quantity. The S.I. unit of Charge is coulomb. In practice we use…