Fleming's left-hand rule is a basic principle in electromagnetism used to determine the direction of the force experienced by a current-carrying conductor in a magnetic field. It is also known as the left-hand grip rule or the motor rule.
The rule states that if you extend your left hand and align your thumb, index finger, and middle finger perpendicular to each other, the thumb represents the direction of the force (F), the index finger points in the direction of the magnetic field (B), and the middle finger shows the direction of the current (I) flowing through the conductor.
To apply the rule, follow these steps:
1. Extend your left hand and make your thumb, index finger, and middle finger perpendicular to each other.
2. Point your index finger in the direction of the magnetic field (B).
3. Point your middle finger in the direction of the current (I) flowing through the conductor.
4. Your thumb will then indicate the direction of the force (F) experienced by the conductor.