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JEE PHYSICS MCQ: ELECTRIC FIELDS AND CHARGES
1
Hard
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Understanding
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Select the correct statements from the following:
I. The electric field due to a charge outside the Gaussian surface contributes zero net flux through the surface.
II. Total flux linked with a closed body, enclosing any charges will be zero.
III. Total electric flux, if a dipole is enclosed by a surface is zero.
I. The electric field due to a charge outside the Gaussian surface contributes zero net flux through the surface.
II. Total flux linked with a closed body, enclosing any charges will be zero.
III. Total electric flux, if a dipole is enclosed by a surface is zero.
View answer and explanation
Correct option: C
I and III
Option C (I and III) is correct. Statement I is correct because of Gauss's law, and Statement III is correct because a dipole has a net charge of zero.
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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