Question
Download Solution PDFFlemings right hand rule is used to find the
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFFleming right-hand thumb rule:
When a conductor such as a wire attached to a circuit moves through a magnetic field, an electric current is induced in the wire due to Faraday's law of induction.
Fleming's right-hand rule (for generators) shows the direction of induced current when a conductor attached to a circuit moves in a magnetic field.
- The thumb is pointed in the direction of the motion of the conductor relative to the magnetic field.
- The first finger is pointed in the direction of the magnetic field. (north to south)
- Then the second finger represents the direction of the induced or generated current within the conductor (from the terminal with lower electric potential to the terminal with higher electric potential, as in a voltage source)
|
Finger |
Right-hand rule |
Left-hand rule |
|
Thumb |
The direction of motion of conductor (input) |
The direction of the conductor (output) |
|
Forefinger |
Magnetic field |
Magnetic field |
|
Middle finger |
The direction of induced emf (output) |
The direction of current (input) |
Conclusion:
The direction of induced emf is known by Flemings right-hand thumb rule
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