The magnetic force Fm acting on charge q when moves with a velocity v through a magnetic field B is given by ______?
- Fm = q v³ × B
- Fm = q v² × B
- Fm = q v × B
- None of these
Explanation
The magnetic force on a moving charge is given by the cross product of velocity and magnetic field.
Its direction is perpendicular to both v and B, following the right-hand rule.
Related MCQs
- Mass of the particle
- Magnetic field strength
- Charge of the particle
- Speed of the particle
اس سوال کو وضاحت کے ساتھ پڑھیں
- helix
- Straight
- Elliptical
- Parabolic
اس سوال کو وضاحت کے ساتھ پڑھیں
- 20.6 gallons
- 25.6 gallons
- 30.6 gallons
- 35.6 gallons
اس سوال کو وضاحت کے ساتھ پڑھیں
- 25%
- 40%
- 45.45%
- 60%
اس سوال کو وضاحت کے ساتھ پڑھیں
- 5
- 6
- 10
- 25
اس سوال کو وضاحت کے ساتھ پڑھیں
