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Derive an expression for the force betwe...

Derive an expression for the force between twolong parallel conductors carrying current in the same direction.What type of force is acting between two long parallel conductors carrying current in the same direction ? Using the expression define S.l. unit of current.

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PUNJAB BOARD PREVIOUS YEAR PAPERS-FORCE ON A CURRENT-Exercise
  1. How can a galavanometer be converted into an ammeter?

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  2. Give two differences between voltmeter and ammeter.

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  3. Explain with the help of a labelled diagram, the principle, constructi...

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  4. Explain how a Galvanometer can be converted into voltmeter

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  5. How can a galavanometer be converted into an ammeter?

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  6. Explain with the help of a labelled diagram, the principle, constructi...

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  7. Derive an expression for force experienced by a current carrying strai...

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  8. What is radial magnetic field ?

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  9. Explain with the help of a labelled diagram, the principle, constructi...

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  10. How will you convert galvanometer into voltmeter ?

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  11. How will you convert galvanometer into ammeter ?

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  12. Find an expression for the torque acting on a current carrying loop su...

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  13. Explain with the help of a labelled diagram, the principle, constructi...

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  14. What is the purpose of using soft iron core in galvanometer.

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  15. How can a galavanometer be converted into an ammeter?

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  16. Derive an expression for the force experienced by a current carrying c...

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  17. Derive an expression for the force between twolong parallel conductors...

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  18. Why are pole pieces of.a moving coil galvanometer made concave ?

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  19. Explain how a galvanometer with resistance ‘G’ and current at full sca...

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  20. Explain how a galvanometer with resistance ‘G’ and current at full sca...

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