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JEE PHYSICS MCQ: ELECTRIC FIELDS AND CHARGES
1
Medium
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Analyzing
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Statement-1: There is an isolated system of two charged conducting spheres and . The resultant electric field at point is the sum of electric field at due to charged sphere only (that is, assuming sphere and all its effects to be absent) and the electric field at only due to sphere (that is, assuming sphere and all its effects to be absent).
Statement-2: Superposition theorem for electric field due to point charges states that resultant electric field at a point due to point charges is the sum of electric field at that point due to individual charges.
Statement-2: Superposition theorem for electric field due to point charges states that resultant electric field at a point due to point charges is the sum of electric field at that point due to individual charges.
View answer and explanation
Correct option: D
Statement-1 is false, Statement-2 is true
Option D is correct. Superposition requires the original charge distribution to remain unchanged, which isn't the case when conductors are present.
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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