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Find an expression for the torque acting...

Find an expression for the torque acting on a current carrying loop suspended in a uniform magnetic field. Under what conditions this torque will be maximum and minimum ?

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Derive an expression for the torque acting on a rectangular current carrying loop suspended in a uniform magnetic field.

Derive the expression for the torque acting on a current carrying loop placed in a magnetic field.

PUNJAB BOARD PREVIOUS YEAR PAPERS-FORCE ON A CURRENT-Exercise
  1. Derive an expression for the force experienced by a current carrying c...

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

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

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  4. Explain how a Galvanometer can be converted into voltmeter

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  5. Derive an expression of Force between two infinitely long parallel cur...

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  6. How does a voltmeter differ from a galvanometer?

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

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  8. Give two points to compare a voltmeter and ammeter.

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  9. Why is the coil of a dead-beat galvanometer wound on a metal frame ?

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  10. Write four merits or two demerits of a moving coil galvanometer.

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  11. What do you mean by current sensitivity of a moving coil galvanometer ...

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  12. Explain how a galvanometer can be converted into an ammeter. Why an am...

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

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  14. Explain how a Galvanometer can be converted into voltmeter

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

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  16. Explain the construction and working of a deadbeat galvanometer with t...

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

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  18. Explain how a Galvanometer can be converted into voltmeter

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

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

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