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  2. AP Physics C E M
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Biot–Savart Law and Ampère’s Law

Benjamin King

Benjamin King

3 min read

Next Topic - Electromagnetism

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Study Guide Overview

This study guide covers magnetic fields created by currents, focusing on the Biot-Savart Law, Ampère's Law, and solenoids. It explains how to calculate magnetic fields from wires using the Biot-Savart Law, including the right-hand rule and the permeability of free space (μ₀). Ampère's Law and solenoids are also mentioned as topics covered.

#Magnetic Fields from Currents: A Last-Minute Review 🧲

Hey! Let's get you prepped for the exam with a focused review of magnetic fields created by currents. We'll cover Biot-Savart, Ampère's Law, and solenoids, making sure you're ready for anything they throw at you.

#Biot-Savart Law: Finding Magnetic Fields from Wires 📏

The Biot-Savart Law ...

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Previous Topic - Current-Carrying Wires & Magnetic FieldsNext Topic - Electromagnetism

Question 1 of 4

In the Biot-Savart Law equation, dB⃗=μ04πIdl⃗×r^r2d\vec{B} = \frac{\mu_0}{4\pi} \frac{I d\vec{l} \times \hat{r}}{r^2}dB=4πμ0​​r2Idl×r^​, what does μ0\mu_0μ0​ represent? 🤓

Permittivity of free space

Permeability of free space

Electric field constant

Magnetic flux density