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 ...
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Chapter 3 of the Class 6 Maths Ganita Prakash textbook, titled “Number Play,” explores the fascinating world of numbers through engaging activities and concepts. It covers topics like patterns in numbers, divisibility rules, and basic operations with fun exercises. The ...
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 ...
A pair of equations consists of two mathematical statements with two variables. Solving them involves finding values of the variables that satisfy both equations. These can have unique solutions no solution or infinitely many solutions. Such equations are essential in ...
The correct answer is (c) Electric field. The electric field is a vector quantity because it has both magnitude and direction. In contrast, electric charge, electric flux, and electric potential are scalar quantities, having only magnitude. Class 12th Science Physics ...