State the Fleming's right hand rule. How can we increase the amount of electric current produced in the electric generator ? Write any two differences between electric generator and electric motor?
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Answer:
The major difference between Motor and Generator is that a motor converts electrical energy into mechanical energy, whereas the generator does the exact opposite. The motor uses electricity whereas the generator produces electricity.
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FLEMING’S RIGHT HAND RULE IS SHOWN IN THE FIGURE ATTACHED BELOW.
TO INCREASE THE AMOUNT TO ELECTRIC CURRENT, THE MAGNET CAN BE MOVED RAPIDLY.
ELECTRICAL GENRATOR - FOLLOWS FLEMINGS RIGHT HAND RULE AND CONVERTS MECHANICAL ENERGY TO ELECTRICAL.
ELECTRICAL MOTOR - FOLLOWS FLEMINGS LEFT HAND RULE AND CONVERTS ELECTRICAL ENERGY TO MECHANICAL ENERGY.
Explanation:
- The Flemings right hand rule states that arrange your thumb, forefinger and the middle finger of right hand in such a manner that the thumb indicates the direction of motion of a conductor, the forefinger indicates the direction of magnetic field, then the middle finger will indicate the direction of the induced current.
- In order to increase the electric current produced in an electric generator, move the magnet more rapidly so does it changes the magnetic field, and we know that the current changes with the magnetic field strength.
- The difference between the electric motor and electric generator is that, generator follows Flemings right hand rule whereas the motor follows left hand rule.
- The other difference is that generator converts mechanical energy to electrical and motor converts electrical energy to mechanical.
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