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What is a magnetic field? Describe a met...

What is a magnetic field? Describe a method of mapping magnetic field due to a bar magnet.

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PRADEEP-MAGNETIC EFFECTS OF ELECTRIC CURRENT-C. (short answer)
  1. What is a magnetic field? Describe a method of mapping magnetic field ...

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  2. What are the magnetic lines of force? Give their important properties.

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  3. Describe briefly the Oersted experiment. What conclusion do we draw fr...

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  4. Draw the magnetic field lines around a straight conductor carrying cur...

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  5. Draw the magnetic field due to a current-carrying circular coil. State...

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  6. What is a solenoid? Draw magnetic field lines due to a current carryin...

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  7. What is an electromagnet and a permanent magnet? State any two points ...

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  8. What conclusions do we draw from the kicking wire experiment? What are...

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  9. What is the force acting on a charge moving in a magnetic field? Brief...

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  10. What is electromagnetic induction? State Faraday's laws of electromag...

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  11. What rule do we use to find the direction of induced current in a cond...

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  12. How does AC differ from DC? What are the advantages and disadvantages ...

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  13. Name the electrical device that converts mechanical energy into electr...

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  14. Describe the salient features of tree system of wiring.

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  15. What are the disadvantages of tree system of wiring.

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  16. Name two types of commonly used electric fuses. Sketch their various p...

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  17. What is an electric fuse? How does it function?

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  18. (i) What is the function of earth wire in electrical instruments? (i...

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