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The image you uploaded is a question paper from a 1st periodical examination (October 2023) for the course "Electromagnetic Field Theory" (Course Code: EC-502). It is designed for B.Tech students, specifically in the ECE (Electronics and Communication Engineering) branch. The exam consists of various questions that assess students' understanding of core concepts in electromagnetics, such as divergence, curl, vector calculus, Gauss's Law, and Ampere's Law, among others.

Here is a summary of the key questions from the paper:

1. **Vector Calculus and Divergence/Curl**:
   - Discuss the physical significance of divergence and curl of a vector field.
   - Discuss the vector field theory topics, including Gauss’s Law and Poisson's and Laplace's equations.

2. **Coordinate System Transformations**:
   - Convert given vectors from Cartesian to cylindrical and spherical coordinates.
   - Use mathematical identities to perform these transformations.

3. **Gauss’s Law and Ampere's Law**:
   - Derive and explain Gauss's Law and its application to a solid sphere.
   - Define and explain Ampere's Circuital Law, both in differential and integral form.

4. **Potential Calculations**:
   - Solve for electric potentials and field flux using the given charge distribution and the Poisson and Laplace equations.
   - Discuss applications related to electrostatic potential and energy.

5. **Capacitance of a Parallel Plate Capacitor**:
   - Calculate capacitance and energy stored in a parallel plate capacitor, based on given values for area, plate separation, and potential difference.

Would you like to dive into the solution or explanation for any specific question on the paper? Here are some relevant topics to explore further:

1. What is the significance of divergence and curl in electromagnetism?
2. How to transform vectors between Cartesian, cylindrical, and spherical coordinates?
3. How does Gauss's Law apply to a solid sphere with uniform charge density?
4. How to calculate potential and energy stored in a capacitor?
5. What are the differences between Poisson's and Laplace's equations?

**Tip:** In vector calculus, divergence represents the net flow of a field from a point, while curl describes the rotation of the field around the point.

What is the physical significance of divergence of a vector field 'A'? Discuss about curl of a vector? Explain the typical interpretation of curl? Perform transformations from Cartesian to cylindrical and spherical coordinates?

Explore the physical significance of divergence and curl in vector fields, the applications of Gauss's and Ampere's laws, and how to transform vectors from Cartesian to cylindrical and spherical coordinates. This page breaks down these fundamental electromagnetic field theory concepts for engineering students.

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