The correct answer is (d) On the outer surface of the sphere. In a conducting sphere, free charges redistribute themselves and reside only on the outer surface due to electrostatic repulsion, ensuring there is no electric field inside the conductor ...
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A system of equations is a set of two or more equations with the same variables. The solution satisfies all equations simultaneously. Methods to solve include substitution elimination and graphing. Solutions can be unique infinite or no solution depending on ...
A pair of equations consists of two mathematical statements connected by conditions like “and” or “or” to find the values of variables. These equations can be linear quadratic or other types. Solving them involves finding solutions that satisfy both equations ...
The correct answer is (a) Attraction between unlike charges. Electric field lines contract longitudinally due to the attractive force between opposite charges, which pulls the field lines together, creating a tension-like effect along their length. Class 12th Science Physics NCERT ...
Linear equations are algebraic expressions with variables and constants. They represent straight lines on graphs and involve solving for unknowns. Linear equations help in understanding relationships between variables and solving real-life problems. They form the basis of mathematics and are ...