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Derive an expression for the force betwe...

Derive an expression for the force between two long parallel current carrying conductors. Use this expression to define SI unit of current.

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`F = mu_(0)/(4 pi) * (2I_(1)I_(2))/r`
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MODERN PUBLICATION-MOVING CHARGES AND MAGNETISM-Revision Exercises (Very Short Answer Questions )
  1. What is the shape of the coils for an ideal toroid?

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  2. Magnetic field lines can be entirely confined within the core of a tor...

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  3. Derive an expression for the force between two long parallel current c...

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  4. What type of force is acting between two parallel wires carrying curre...

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  5. If the distance between two parallel current carrying wires is doubled...

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  6. The force exerting between the two parallel current carrying conductor...

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  7. Derive an expression for the force between two long parallel current c...

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  8. What is the torque on a current carrying loop placed in a uniform magn...

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  9. What is the value of torque when magnetic moment (m) and magnetic fiel...

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  10. Two wires of equal lengths are bent in the form of two loops. One of t...

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  11. Magnetic dipole moment of revolving electron is

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  12. What is the correct value of Bohr magneton?

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  13. What is torsional constant of the spring used in a galvanometer?

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  14. What is the condition for steady angular deflection (phi) in moving co...

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  15. What is current sensitivity? State ita SI unit.

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  16. What is voltage sensitivity? State its SI unit.

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  17. What is a sensitive galvanometer?

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  18. What is shunt? State its uses. Find the relation for the current throu...

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  19. A galvanometer is connected as shown in the figure: (a) This com...

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  20. Of the two identical galvanometers one is to be converted into an amme...

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