What is the working of AC generator? In step wise.⭐
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Working of an AC Generator
When the armature rotates between the poles of the magnet upon an axis perpendicular to the magnetic field, the flux which links with the armature changes continuously. Due to this, an emf is induced in the armature. This produces an electric current through the galvanometer and the slip rings and brushes.
The galvanometer swings between the positive and negative values. This indicates that there is an alternating current flowing through the galvanometer.
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⭐When the axle is rotated by some mechanical force, the rings and coil also inside the magnetic field.
⭐If the coil is moved anticlockwise first arm moves up by applying Fleming's right hand rule the induced current are set up in these arms along the direction AB and CD .Thus induced current flow in a direction A➡B➡C➡D.
⭐This means that the current in the external circuit flows from B2 to B1.
⭐After half hour rotation and CD starts moving up and AB moving down.
⭐As a result the direction of induced current in both the hands get changed (according to Fleming's right hand rule)
⭐ Consequently the direction of current become D➡C➡B➡A.
⭐The current in the external circuit now flow from B1 to B2.
⭐In this way, after every half rotation the polarity of current in the respective arms changes. Such a current, which change direction after equal intervals of time, is called alternating current.
⭐This device is known as AC generator.
✨✨✨✨✨✨✨✨✨✨Hope it helps you... ❤
⭐When the axle is rotated by some mechanical force, the rings and coil also inside the magnetic field.
⭐If the coil is moved anticlockwise first arm moves up by applying Fleming's right hand rule the induced current are set up in these arms along the direction AB and CD .Thus induced current flow in a direction A➡B➡C➡D.
⭐This means that the current in the external circuit flows from B2 to B1.
⭐After half hour rotation and CD starts moving up and AB moving down.
⭐As a result the direction of induced current in both the hands get changed (according to Fleming's right hand rule)
⭐ Consequently the direction of current become D➡C➡B➡A.
⭐The current in the external circuit now flow from B1 to B2.
⭐In this way, after every half rotation the polarity of current in the respective arms changes. Such a current, which change direction after equal intervals of time, is called alternating current.
⭐This device is known as AC generator.
✨✨✨✨✨✨✨✨✨✨Hope it helps you... ❤
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