**Chapter 18 - PHYS 203: Fundamentals of Physics** # Magnetism ### Key Concepts: - **Magnetic fields** - **Current induction of magnetism** - **Ampere’s Rule:** \[ |\mathbf{B}| = \frac{\mu_0 I}{2 \pi R} \] ### Reinforcement: 1. **Problem 1:** - **Question:** What would be the magnitude of an induced magnetic field from a transmission line 3.3 m above the point of measurement if the current it carries is 783 A? 2. **Problem 2:** - **Question:** A mechanic wants to use a solenoid she found on a car starter. If the solenoid is 0.124 m long and has 845 turns of wire, what current is required to produce a magnetic field of \(1.83 \times 10^{-4}\) T? 3. **Problem 3:** - **Question:** Find the current in a wire with the magnetic field as defined: \(B = 4.29 \times 10^{-5}\) T, \(R = 1.4\) m. 4. **Problem 4:** - **Question:** If a surveyor is 10.5 m below a west-to-east running transmission line carrying 843 A, what would be the error in the angular measurement if the Earth's magnetic field is found to be \(\mathbf{B} = 3.3 \times 10^{-4} \text{ T east} + 2.45 \times 10^{-4} \text{ T north}\)? **Note:** This content is designed to help students understand the fundamentals of magnetism and apply them to practical problems.
**Chapter 18 - PHYS 203: Fundamentals of Physics** # Magnetism ### Key Concepts: - **Magnetic fields** - **Current induction of magnetism** - **Ampere’s Rule:** \[ |\mathbf{B}| = \frac{\mu_0 I}{2 \pi R} \] ### Reinforcement: 1. **Problem 1:** - **Question:** What would be the magnitude of an induced magnetic field from a transmission line 3.3 m above the point of measurement if the current it carries is 783 A? 2. **Problem 2:** - **Question:** A mechanic wants to use a solenoid she found on a car starter. If the solenoid is 0.124 m long and has 845 turns of wire, what current is required to produce a magnetic field of \(1.83 \times 10^{-4}\) T? 3. **Problem 3:** - **Question:** Find the current in a wire with the magnetic field as defined: \(B = 4.29 \times 10^{-5}\) T, \(R = 1.4\) m. 4. **Problem 4:** - **Question:** If a surveyor is 10.5 m below a west-to-east running transmission line carrying 843 A, what would be the error in the angular measurement if the Earth's magnetic field is found to be \(\mathbf{B} = 3.3 \times 10^{-4} \text{ T east} + 2.45 \times 10^{-4} \text{ T north}\)? **Note:** This content is designed to help students understand the fundamentals of magnetism and apply them to practical problems.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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![**Chapter 18 - PHYS 203: Fundamentals of Physics**
# Magnetism
### Key Concepts:
- **Magnetic fields**
- **Current induction of magnetism**
- **Ampere’s Rule:** \[ |\mathbf{B}| = \frac{\mu_0 I}{2 \pi R} \]
### Reinforcement:
1. **Problem 1:**
- **Question:** What would be the magnitude of an induced magnetic field from a transmission line 3.3 m above the point of measurement if the current it carries is 783 A?
2. **Problem 2:**
- **Question:** A mechanic wants to use a solenoid she found on a car starter. If the solenoid is 0.124 m long and has 845 turns of wire, what current is required to produce a magnetic field of \(1.83 \times 10^{-4}\) T?
3. **Problem 3:**
- **Question:** Find the current in a wire with the magnetic field as defined: \(B = 4.29 \times 10^{-5}\) T, \(R = 1.4\) m.
4. **Problem 4:**
- **Question:** If a surveyor is 10.5 m below a west-to-east running transmission line carrying 843 A, what would be the error in the angular measurement if the Earth's magnetic field is found to be \(\mathbf{B} = 3.3 \times 10^{-4} \text{ T east} + 2.45 \times 10^{-4} \text{ T north}\)?
**Note:** This content is designed to help students understand the fundamentals of magnetism and apply them to practical problems.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F78305c88-543b-42bc-9e72-ee150e9e2bc3%2F1ed59c0e-6e62-4a14-be93-8015ad0bf589%2Fn5712t.jpeg&w=3840&q=75)
Transcribed Image Text:**Chapter 18 - PHYS 203: Fundamentals of Physics**
# Magnetism
### Key Concepts:
- **Magnetic fields**
- **Current induction of magnetism**
- **Ampere’s Rule:** \[ |\mathbf{B}| = \frac{\mu_0 I}{2 \pi R} \]
### Reinforcement:
1. **Problem 1:**
- **Question:** What would be the magnitude of an induced magnetic field from a transmission line 3.3 m above the point of measurement if the current it carries is 783 A?
2. **Problem 2:**
- **Question:** A mechanic wants to use a solenoid she found on a car starter. If the solenoid is 0.124 m long and has 845 turns of wire, what current is required to produce a magnetic field of \(1.83 \times 10^{-4}\) T?
3. **Problem 3:**
- **Question:** Find the current in a wire with the magnetic field as defined: \(B = 4.29 \times 10^{-5}\) T, \(R = 1.4\) m.
4. **Problem 4:**
- **Question:** If a surveyor is 10.5 m below a west-to-east running transmission line carrying 843 A, what would be the error in the angular measurement if the Earth's magnetic field is found to be \(\mathbf{B} = 3.3 \times 10^{-4} \text{ T east} + 2.45 \times 10^{-4} \text{ T north}\)?
**Note:** This content is designed to help students understand the fundamentals of magnetism and apply them to practical problems.
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