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**Title: Calculating Magnetic Fields Using Biot-Savart Law**

---

**Objective:**

To use the Biot-Savart Law and Ampere’s Law to calculate magnetic fields and to explain the effects of changing magnetic fields using Faraday's Law of Induction.

---

**Problem Description:**

A triangular framework is set up with a CO₂ ice block sliding on a pair of smooth rails. These rails are positioned 20 cm apart on an incline angled at 20°. A uniform magnetic field (\( B \)) is applied vertically downwards with a magnitude of 0.1 T. The task is to determine the constant speed at which the ice block slides down the rails.

**Diagram Explanation:**

The diagram shows a pair of parallel rails (represented by two lines) set at an incline. A block sits on the rails with arrows indicating the direction of motion and forces affecting it. The magnetic field is represented by arrows pointing downwards, indicating its vertical direction.

**Solution Steps:**

1. **Calculation of Gravitational Force Component:**
   - Calculate the gravitational force component along the incline using the weight of the CO₂ block and the inclination angle.

2. **Magnetic Force Calculation Using Biot-Savart Law:**
   - Apply the Biot-Savart Law to determine the magnetic forces that act on the moving block along the rails.

3. **Counteracting Forces Using Ampere’s Law:**
   - Consider forces acting perpendicularly provided by the current induced due to motion in the magnetic field, applying Ampere’s Law for detailed force interaction analysis.

4. **Calculate Velocity using Faraday’s Law of Induction:**
   - Use Faraday’s Law to determine how the change in magnetic flux due to the motion of the block influences the system, enabling the calculation of velocity.

5. **Concluding Calculation:**
   - Formulate an equation balancing forces and solve for the constant velocity of the sliding block.

---

**Conclusion:**

This exercise demonstrates the integration of fundamental electromagnetic laws—Faraday’s, Biot-Savart, and Ampere’s— to solve practical physics problems involving magnetic fields and motion on inclined planes.
Transcribed Image Text:**Title: Calculating Magnetic Fields Using Biot-Savart Law** --- **Objective:** To use the Biot-Savart Law and Ampere’s Law to calculate magnetic fields and to explain the effects of changing magnetic fields using Faraday's Law of Induction. --- **Problem Description:** A triangular framework is set up with a CO₂ ice block sliding on a pair of smooth rails. These rails are positioned 20 cm apart on an incline angled at 20°. A uniform magnetic field (\( B \)) is applied vertically downwards with a magnitude of 0.1 T. The task is to determine the constant speed at which the ice block slides down the rails. **Diagram Explanation:** The diagram shows a pair of parallel rails (represented by two lines) set at an incline. A block sits on the rails with arrows indicating the direction of motion and forces affecting it. The magnetic field is represented by arrows pointing downwards, indicating its vertical direction. **Solution Steps:** 1. **Calculation of Gravitational Force Component:** - Calculate the gravitational force component along the incline using the weight of the CO₂ block and the inclination angle. 2. **Magnetic Force Calculation Using Biot-Savart Law:** - Apply the Biot-Savart Law to determine the magnetic forces that act on the moving block along the rails. 3. **Counteracting Forces Using Ampere’s Law:** - Consider forces acting perpendicularly provided by the current induced due to motion in the magnetic field, applying Ampere’s Law for detailed force interaction analysis. 4. **Calculate Velocity using Faraday’s Law of Induction:** - Use Faraday’s Law to determine how the change in magnetic flux due to the motion of the block influences the system, enabling the calculation of velocity. 5. **Concluding Calculation:** - Formulate an equation balancing forces and solve for the constant velocity of the sliding block. --- **Conclusion:** This exercise demonstrates the integration of fundamental electromagnetic laws—Faraday’s, Biot-Savart, and Ampere’s— to solve practical physics problems involving magnetic fields and motion on inclined planes.
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