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State the Biot-Savart law. Use it to obt...

State the Biot-Savart law. Use it to obtain an expression for magnetic field at the centre of a current carrying circular loop.

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MODERN PUBLICATION-MOVING CHARGES AND MAGNETISM-Revision Exercises (Short Answer Questions )
  1. Write the relation for the force vecF acting on a charge carrier q mo...

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  2. A charged particle q is moving in the presence of a magnetic field B w...

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  3. State the Biot-Savart law. Use it to obtain an expression for magnetic...

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  4. A fine pencil of beta-particles, moving with a speed v, enters a regio...

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  5. Two parallel wires carrying current in the same direction attract each...

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  6. Explain the principle and working of a cyclotron with the help of a sc...

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  7. A cyclotron is not suitable to accelerate electrons. Why?

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  8. Using Biot-Savart’s law, derive an expression for magnetic field at an...

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  9. A current I flows in a conductor placed perpendicular to the plate of ...

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  10. Two small circular loops, marked (1) and (2), carrying equal currents ...

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  11. A wire of length L is bent around in the form of a coil having N turns...

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  12. Two identical coils P and Q each of radius R are lying in perpendicula...

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  13. A rectangular coil of sides l and b carrying a current I is subjected ...

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  14. Define electric dipole moment. Is it a scalar or a vector? Derive the ...

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  15. Increasing the current sensitivity of a galvanometer may not necessari...

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  16. What is the function of the radial magnetic field in the moving coil g...

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  17. Two protons P and Q moving with the same speed enter magnetic field B(...

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  18. (a) How does a voltmeter differ from ammeter? (b) What is the main ...

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

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  20. (a) State the principle of working of a galvanometer. (b) Agalvanome...

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