A solenoid that is 98.5 cm long has a cross-sectional area of 15.2 cm². There are 1270 turns of wire carrying a current of 5.28 A. (a) Calculate the energy density of the magnetic field inside the solenoid. (b) Find the total energy in joules stored in the magnetic field there (neglect end effects). (a) Number i 0.0229 (b) Number i 3.43e-5 Units Units J/m^3

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Chapter1: Units, Trigonometry. And Vectors
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**Problem Statement:**

A solenoid that is 98.5 cm long has a cross-sectional area of 15.2 cm². There are 1270 turns of wire carrying a current of 5.28 A. 

**Questions:**

(a) Calculate the energy density of the magnetic field inside the solenoid.

(b) Find the total energy in joules stored in the magnetic field there (neglect end effects).

---

**Solution:**

(a) Energy Density:

- **Input Box:** `Number 0.0229`
- **Units:** `J/m^3`

(b) Total Energy:

- **Input Box:** `Number 3.43e-5`
- **Units:** `J`
Transcribed Image Text:**Problem Statement:** A solenoid that is 98.5 cm long has a cross-sectional area of 15.2 cm². There are 1270 turns of wire carrying a current of 5.28 A. **Questions:** (a) Calculate the energy density of the magnetic field inside the solenoid. (b) Find the total energy in joules stored in the magnetic field there (neglect end effects). --- **Solution:** (a) Energy Density: - **Input Box:** `Number 0.0229` - **Units:** `J/m^3` (b) Total Energy: - **Input Box:** `Number 3.43e-5` - **Units:** `J`
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