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JEE PHYSICS MCQ: ELECTRIC FIELDS AND CHARGES
1
Medium
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Understanding
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Select the correct statements. Coulomb's law correctly describes the electric force that:
(i) binds the electrons of an atom to its nucleus.
(ii) binds the protons and neutrons in the nucleus of an atom.
(iii) binds atoms together to form molecules.
(i) binds the electrons of an atom to its nucleus.
(ii) binds the protons and neutrons in the nucleus of an atom.
(iii) binds atoms together to form molecules.
View answer and explanation
Correct option: B
(i) and (iii)
Option B ((i) and (iii)) is correct because Coulomb's law describes the electrostatic forces between charged particles, such as electrons and the nucleus, and between atoms forming molecules.
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Reason:- At any point, there is only one direction of electric field. Statement-I: A positive point charge is brought in an electric field, the electric field at neary by point will increase
Statement-II: Electric field produced by charge may favour the existing electric filed Two particles having equal mass and charge
are separated by a distance The force(s) they
experience is (are) Statement-I: No 2 electric lines of force can intersect each other
Statement-II: tangent at any point of electric line of force gives the direction of electric field A force of is acting between two charges in air if the space between them is completely filled with glass , then the new force will be …… An electron is placed at centre of a conducting sphere of radius 0.2 metre having charge coulomb. The force of on the electron is ________ N