Magnetic Field and Circuits Quiz

• $\vec{m} \cdot \vec{B}$ (correct)
• $\vec{m} \div \vec{B}$
• $\vec{m} \times \vec{B}$
• $-\vec{m} \cdot \vec{B}$

• Requires no external power source
• Low sensitivity
• High accuracy (correct)
• Unaffected by external magnetic fields

• By increasing the number of turns in the coil
• By adding a shunt resistance (correct)
• By increasing the coil's diameter
• By decreasing the resistance in the circuit

<p>$B = \frac{\mu_0NI}{2\pi r}$ (B)</p> Signup and view all the answers

<p>The line integral of magnetic field along a closed path is proportional to the current enclosed by that path (C)</p> Signup and view all the answers