The work done in rotating a dipole in a uniform electric field is given by W = PE (cosθ₁ – cosθ₂). From 0° to 60°, work done is W = PE(1 – 1/2) = PE/2. From 0° to 180°, work ...
Discussion Forum Latest Questions
When a charge Q is supplied to a metallic conductor, it redistributes itself on the surface, making the electric field inside the conductor zero. This results in a constant electric potential throughout the conductor, including its surface. Hence, the correct ...
Class 12 Maths Chapter 12 “Linear Programming” focuses on the formulation of linear programming problems graphical methods of solving problems and identifying feasible and optimal solutions. MCQs from this chapter assess students’ understanding of constraints objective functions and optimization techniques. ...
Class 12 Maths Chapter 7, “Integrals,” covers fundamental concepts of integration, including indefinite and definite integrals, properties of integrals, integration techniques (substitution, partial fractions, and by parts), and applications. MCQs from this chapter test students’ understanding of solving integration problems ...
Class 12 Maths Chapter 6, “Application of Derivatives,” focuses on real-world uses of differentiation, including rate of change, increasing and decreasing functions, tangents and normals, maxima and minima, and approximations. MCQs from this chapter assess problem-solving skills and conceptual understanding ...