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Mention any three application of eddy cu...

Mention any three application of eddy currents.

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Magnetic braking in trains, Induction furnace, Electromagnetic damping and Electric power meters.
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SUBHASH PUBLICATION-SUPER MODEL QUESTION PAPER 1-QUESTION
  1. What are the limitatons of ohm.s law?

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  2. Give the expression for period of oscillation of a magnctic dipole ( m...

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  3. Mention any three application of eddy currents.

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  4. What is displacement current? Mention its need.

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  5. Define critical angle. Write two conditions for total internal reflect...

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  6. Give the circuit symbol and truth table for OR gate

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  7. What is the function of 'receiver' in communication system ? Draw the ...

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  8. Derive an expression for the electric potential energy of a system of ...

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  9. Obtain an expression for the magnetic force on a current carrying cond...

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  10. Write three properties of paramagnetic substance.

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  11. (a) Obtain the expression for the magnetic energy stored in a solenoid...

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  12. What is resonance in series LCR circuit? Derive the expression for res...

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  13. Derive the expression for resultant displacement and amplitude when tw...

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  14. Given de- Broglie's explanation of quantisation of angular momentum as...

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  15. Give three differences between intrinsic and extrinsic semiconductors

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  16. Obtain an expression for the electric field intenstiy at a point on th...

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  17. Arrive at an expression for drift velocity.

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  18. Using Biot Savart's law, derive the expression for the magnetic field...

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  19. Using Huygen's wave theory of light , derive Snell's law of refractio...

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  20. Write the experimental observations of photoelectric effect.

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