Magnetic Force on Charge

📊 beginner

$$F = qvB \sin \theta$$

Force exerted on a moving point charge in a magnetic field.

Variables & Units

$q$

Charge

Unit: Coulomb ($C$)

$v$

Velocity

Unit: $m/s$

$B$

Magnetic field

Unit: Tesla ($T$)

Key Information

📐 Derived From

Lorentz Force Law.

💡 Example

Path of an electron in a cathode ray tube.

🔧 Applications

Cyclotrons and mass spectrometers.

⚠️ Constraints

Charge must be moving.

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