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What is voltage sensitivity of a galvano...

What is voltage sensitivity of a galvanometer?

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What is Current Sensitivity of a galvanometer?

What is the basci principle of a moving coil galvanometer? Derive an expression for current flowing through the galvanometer in terms of steady angular deflection of its coil. Define voltage. Sensitivity of the galvanometer. What is a convenient way to increase its sensitivity?

State two factors on which the sensitivity of a moving coil galvanometer depends.

What is voltmeter? How galvanometer converted to a voltmeter?

BINA LIBRARY-ELECTROMAGNETISM-EXERCISE
  1. What is magnetic hysteresis?

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  2. State two factors on which the sensitivity of a moving coil galvanomet...

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  3. What is voltage sensitivity of a galvanometer?

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  4. Can we have surfaces with zero friction ?

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  5. Find an expression for the magnetic field at a point on the axis of a ...

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  6. A ball is set rolling on the ground. Will it stop by itself ? Why ?

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  7. A charged particle enters a magnetic field with a velocity v in a dire...

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  8. Find an expression for the magnetic field at a point on the axis of a ...

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  9. Give three factors on which the frictional force in fluids depends.

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  10. Give three harmful effects of friction.

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  11. Why is friction essential ?

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  12. Why is a voltmeter connected in parallel with a circuit?

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  13. Why an ammeter should have as low resistance as possible?

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  14. Why should a voltmeter have as large resistance as possible?

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  15. Find the following expression for the magnetic moment of an electron m...

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  16. What is voltmeter? How galvanometer converted to a voltmeter?

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  17. A rectangular coil carrying current is placed in a uniform magnetic fi...

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  18. Find an expression for the magnetic field at a point on the axis of a ...

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  19. Friction opposes the between the surfaces in contact with each other.

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  20. Friction depends on the of surfaces.

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