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  3. ZuAI AP College Board Physics C: E&M
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Biot–Savart Law and Ampère’s Law

Benjamin King

Benjamin King

3 min read

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.

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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