An infinitely long cylinder is placed along the 2-axis. Assume the cylinder is of radins a and carries current with current density = 1 az P Find outside the cylinder Find A inside the cylinder.

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**Title: Analysis of Magnetic Field in an Infinitely Long Current-Carrying Cylinder**

**Objective:**
To determine the magnetic field (\(\mathbf{H}\)) inside and outside an infinitely long cylinder that carries current, and calculate the curl of \(\mathbf{H}\) in both scenarios.

**Problem Description:**

Consider an infinitely long cylinder aligned along the z-axis. The cylinder has a radius \(a\) and carries a current characterized by the current density \(\mathbf{J} = \frac{I}{\rho} \mathbf{a}_z\), where \(I\) is the current carried by the cylinder and \(\rho\) represents the radial distance from the axis.

**Questions to Address:**

a. Determine the magnetic field \(\mathbf{H}\) outside the cylinder.

b. Calculate the magnetic field \(\mathbf{H}\) inside the cylinder.

c. Find the curl of the magnetic field, \(\nabla \times \mathbf{H}\), for both scenarios (a and b).

**Approach:**

- Apply Ampère's Law to find the expressions for the magnetic field in the required regions.
- Use the right-hand rule to determine the direction of the magnetic field.
- Evaluate \(\nabla \times \mathbf{H}\) using vector calculus.

**Outcome:**

The analysis will assist in understanding how the distribution of current affects the surrounding magnetic field in an infinite cylindrical conductor, which is a fundamental concept in electromagnetism with applications in designing devices like solenoids and inductors.
Transcribed Image Text:**Title: Analysis of Magnetic Field in an Infinitely Long Current-Carrying Cylinder** **Objective:** To determine the magnetic field (\(\mathbf{H}\)) inside and outside an infinitely long cylinder that carries current, and calculate the curl of \(\mathbf{H}\) in both scenarios. **Problem Description:** Consider an infinitely long cylinder aligned along the z-axis. The cylinder has a radius \(a\) and carries a current characterized by the current density \(\mathbf{J} = \frac{I}{\rho} \mathbf{a}_z\), where \(I\) is the current carried by the cylinder and \(\rho\) represents the radial distance from the axis. **Questions to Address:** a. Determine the magnetic field \(\mathbf{H}\) outside the cylinder. b. Calculate the magnetic field \(\mathbf{H}\) inside the cylinder. c. Find the curl of the magnetic field, \(\nabla \times \mathbf{H}\), for both scenarios (a and b). **Approach:** - Apply Ampère's Law to find the expressions for the magnetic field in the required regions. - Use the right-hand rule to determine the direction of the magnetic field. - Evaluate \(\nabla \times \mathbf{H}\) using vector calculus. **Outcome:** The analysis will assist in understanding how the distribution of current affects the surrounding magnetic field in an infinite cylindrical conductor, which is a fundamental concept in electromagnetism with applications in designing devices like solenoids and inductors.
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