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State the Biot-Savart's law for the magn...

State the Biot-Savart's law for the magnetic field due to a current carrying element. Use this law to obtain a formula for magnetic field at athe centre of circular loop of radius r carrying steady current `I`. Sketch the magnetic field lines for a current loop clearly indicating the direction of the field.

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MODERN PUBLICATION-MAGNETIC EFFETS OF CURRENT-EXERCISE
  1. State Ampere's circuital law.

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  2. Using Ampere's circuital theorem, calculate the magnetic field due to ...

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  3. State Ampere's circuital law. By using it derive an expression for mag...

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  4. A long straight wire of circular cross-sectional of radius a carries a...

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  5. A long straight wire of circular cross-sectional of radius a carries a...

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  6. Using Ampere's circuital law, obtain an expression for the magnetic fi...

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  7. Using Ampere's circuital law, obtain an expression for the magnetic fi...

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  8. Using Ampere's circuital law, derive an expression for the magnetic fi...

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  9. Applying Ampere's circuital law, find magnetic field due to toroidal s...

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  10. State the Biot-Savart's law for the magnetic field due to a current ca...

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  11. Derive an expression for magnetic field at the centre of circular curr...

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  12. Derive an expression for magnetic field at the centre of circular curr...

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  13. State Biot-Savart's law, giving the mathematical expression for it. Us...

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  14. State the Biot-Savart's law for the magnetic field due to a current ca...

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  15. Derive an expression for magnetic field at the centre of circular curr...

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  16. Derive an expression for magnetic field at the centre of circular curr...

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  17. State the Biot-Savart's law for the magnetic field due to a current ca...

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  18. Derive an expression for magnetic field at the centre of circular curr...

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  19. State Ampere's circuital law. By using it derive an expression for mag...

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  20. What does a toroid consist of ? Find out the expression for the magnet...

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