Right hand thumb rule | Fleming's Left hand rule | Fleming's Right hand rule |
Used to find direction of magnetic field | Used to find the direction of force/motion of conductor | Used to find the direction of the induced current |
Curl of our fingers determines the direction of magnetic field | Thumb determines the direction of motion (Force) |
Middle finger determines the direction of induced current
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If we point the thumb of our right hand in the direction of the current,
Then the direction which our fingers curl gives the direction of the current. |
Fleming’s left-hand rule states that if we hold the forefinger, the middle finger and the thumb of our left hand at right angles to one another such that
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Fleming’s right-hand rule states that if we hold the forefinger, the middle finger and the thumb of our right hand at right angles to one another such that
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- | Current is present in the circuit |
There is no power source.
Current is induced
in the circuit
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- | Force is produced |
Force is applied
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It is used to find Direction of Motion in Electric Motors | It is used to find direction of Induced Current in Electric Generators |
Maxwell's Thumb Rule looks like the below figure