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What type of force is acting between two...

What type of force is acting between two parallel wires carrying current in the same direction? What happens if one of the current is reversed?

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Force of attraction
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MODERN PUBLICATION-MOVING CHARGES AND MAGNETISM-Revision Exercises (Very Short Answer Questions )
  1. Magnetic field lines can be entirely confined within the core of a tor...

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

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

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

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

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

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

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

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

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  10. Magnetic dipole moment of revolving electron is

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  11. What is the correct value of Bohr magneton?

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

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

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

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

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  16. What is a sensitive galvanometer?

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

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

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

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  20. What will an ammeter measures when it is connected in parallel with a ...

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