The law governing the force between elec...

The law governing the force between electric charges is known as

Ampere's law

Ohm's law

Faraday's law

Coulomb's law

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Frictional electricity The electricity developed in bodies when they are rubbed with each other is called frictional electricity. There are two kinds of charges, namely positive and negative. Like charges repel each other and unlike charges attract each other. when a glass rod is rubbed with silk cloth, glass rod becomes positively charged are silk acquires the same amount of negative charge. the concept of positive and negatice charges was introduced by Benjamin Franklin. The charge is always quantised and conserved in a system. The law of force that governs the force between two electric charges was discovered by

General instruction same as in chapter 1. Assertion: The electrostatic force between the plates of a charged isolated capacitro increases, when a dielectric fills whole space between the plates. Reason:The electric field between the plates of a charged isolated capacitor increases, when a dielectric fills the whole space between the plates.

Assertion : The electrostatic force between the plates of a charged isolated capacitor decreases when dielectric fills whole space between plates. Reason : The electric field between the plates of a charged isolated capacitance decreases when dielectric fills whole space between plates.

Assume that there is no repulsive force between the electrons in an atom but the force between positive and negative charges is given by Coulomb's law as usual. Under such circumstances, calculate the ground state energy of a He-atom.

Four point charges Q, q, Q and q are placed at the corners of a square of side 'a' as shown in the figure. Find the resultant electric force on a charge Q?

PUNJAB BOARD PREVIOUS YEAR PAPERS-QUESTION PAPER 2021-MULTIPLE CHOICE QUESTION

The ultimate individual unit of magnetism in any magnet is called:
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A positively charged glass rod attracts and then repels the suspended ...
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The law governing the force between electric charges is known as
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When the distance between two charges is halved, the force between th...
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Name the physical quantity, whose SI unit is newton coulomb^-1
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The dimensions of electric permittivity are :
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Two charges 3 xx 10^(-5)C and 5 xx 10^4 C are placed at a distance of...
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The electric potential at the surface of an atomic nucleus (Z=50) of r...
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On what factors the capacitance of a capacitor depends?
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Which of the following characterstics of electrons determines the curr...
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12 Coulomb/minute can be written as:
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In a current carrying conductor the ratio of the electric field and e...
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When a wire is stretched and its radius becomes (r )/(2) then its res...
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In charging a battery of a motor car, which effect of electric current...
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Resistivity of a wire depends upon the :
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Magnitude of the magnetic intensity of a point due to a current in a ...
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Magnetism in substances is caused by:
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The resistance of an ideal ammeter is
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Calculate the value of resistance needed to coavert a galvanometer of ...
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Magnetic meridian is a
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