Describe the the principal, construction, theroy and working of a.c. generator
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PRINCIPLE :
A.C. generator works in the principle of Electromagnetic induction.
CONSTRUCTION :
I) Take a coil and make multiple turns to make it as an armature.
II) Place the North and the South poles of a permanent magnet facing towards each other.
III) Place to slip rings to the two ends of the armature and attach the rings to carbon - brushes.
IV) Attach the setup to a galvanometer.
WORKING :
With the help of an axle, turn the armature clockwise. We will observe that current is induced due to the application of magnetic field and the application of force. This phenomena is called ELECTROMAGNETIC INDUCTION. We will observe that the direction of the rotation of the coil will change periodically in order to save energy.
A.C. generator works in the principle of Electromagnetic induction.
CONSTRUCTION :
I) Take a coil and make multiple turns to make it as an armature.
II) Place the North and the South poles of a permanent magnet facing towards each other.
III) Place to slip rings to the two ends of the armature and attach the rings to carbon - brushes.
IV) Attach the setup to a galvanometer.
WORKING :
With the help of an axle, turn the armature clockwise. We will observe that current is induced due to the application of magnetic field and the application of force. This phenomena is called ELECTROMAGNETIC INDUCTION. We will observe that the direction of the rotation of the coil will change periodically in order to save energy.
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