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Can we make use of this current? IF so, ...

Can we make use of this current? IF so, how?

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Two carbon brushes are arranged in such a way that they press the slip rings to obtain current from the coil. When these brushes are connected to external devices like T.V. Radio we can make them work with current supplied from ends of carbon brushes.
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VGS PUBLICATION-BRILLIANT-ELECTROMAGNETISM-QUESTION GIVEN IN THE LESSON(1 MARK)
  1. What happens when a coil is continuously rotated in a uniform magnetic...

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  2. How is current produced?

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  3. Why is there a difference in behaviour in these two cases?

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  4. What force supports the ring against gravity when it is being levitate...

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  5. Could the ring be levitated if DC is used?

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  6. What is this unknown force acting on the metal ring?

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  7. What is responsible for the current in the metal ring?

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  8. What could you conclude from the above analysis (metal ring lifts up a...

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  9. Which law explained the direction of induced current in a coil?

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  10. Can you apply conservation of energy for electromagnetic induction?

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  11. Can you guess what could be the direction of induced current in the co...

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  12. Could we get Farday's law of induction from conservation of energy ?

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  13. Can you derive an expression for the force applied on crosswire by the...

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  14. What happens when a coil is continuously rotated in a uniform magnetic...

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  15. Can you guess the reason for variation of current from zero to maximum...

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  16. Is the direction of current induced in the coil constant? Does it chan...

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  17. Can you guess the reason for variation of current from zero to maximum...

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  18. Can we make use of this current? IF so, how?

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  19. How can we get DC current using a generator?

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  20. What changes do we need to make in an AC generator to be converted int...

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