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When current is passed through the condu...

When current is passed through the conductor, the compass needle deflects. Why?

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The compass needle is now subjected to earth.s magnetic field and the magnetic field of the straight conductor.
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NEW JOYTHI PUBLICATION-MOVING CHARGES AND MAGNETISM-EVALUATION QUESTIONS AND ANSWERS
  1. When current is passed through the conductor, the compass needle defle...

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  2. Is the magnetic field same at all points which are at the same distanc...

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  3. Is the magnetic field influenced by the medium in which the conductor ...

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  4. What is the field at any point outside the core of the solenoid?

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  5. What is the field inside the core of the solenoid?

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  6. What is the nature of field around a moving charge?

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  7. Can a charge move in a magnetic field without experiencing a force?

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  8. What is the nature of motion of charge entered inclined to a magnetic ...

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  9. If the path is circular, which force provides necessary centripetal fo...

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  10. What is the work done by magnetic force during this motion?

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  11. How can we confine the motion in a comparatively small space?

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  12. What is the electric field inside the 'dees?

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  13. What is the nature of the path inside the 'dee'?

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  14. The polarity of 'dees’ should be changed, when the charge completes on...

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  15. Torque is experienced by a current carrying rectangular coil placed in...

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  16. What is the difference between a galvanometer and an ammeter?

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  17. Is it possible to measure high current using a galvanometer?

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  18. How can you measure a high current using a galvanometer?

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  19. How will you connect a voltmeter in a circuit?

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  20. To measure p.d between two points in a circuit, minimum current should...

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