Magnetism and Magnetic Effects of Electric Current Two Marks Questions

12th Standard EM

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Physics

Time : 00:45:00 Hrs
Total Marks : 30
    15 x 2 = 30
  1. What is meant by magnetic induction?

  2. Define magnetic flux.

  3. What is magnetic susceptibility?

  4. State Biot-Savart’s law.

  5. What is meant by hysteresis?

  6. What is magnetic axis, magnetic meridian & magnetic equator.

  7. What is Declination?

  8. What are the uses of studying hysteresis loops of various material.

  9. Tabulate End rule polarity with direction of current in circular loop using module.

  10. What is magnetic Lorentz force?

  11. Define ampere.

  12. When is a galvanometer said to be sensitive?

  13. Why the Phosphor - bronze wire is used as the suspension wire in moving coil galvanometer?

  14. Define Voltage sensitivity?

  15. The magnetic field lines prefer to pass through iron tnanaii why?

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