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Which are the two properties required fo...

Which are the two properties required for a material to be used as a core of electromagnets.

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OSWAAL PUBLICATION-2018 Solved Paper II-Exercise
  1. State Kirchhoff's laws of Electrical network.

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  2. Define tesla. using the expression for the force on a charged particle...

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  3. Which are the two properties required for a material to be used as a c...

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  4. What are thermal generators? Mention the value of frequency of ac used...

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  5. Mention any two differences between primary rainbow and secondary rain...

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  6. What is a light emitting diode? Write an advantage of using it over co...

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  7. Explain the term .amplification. in communication system. Why is it ne...

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  8. Derive the expression for torque on an electric dipole placed in a uni...

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  9. What is an equipotential surface? Draw the equipotential surfaces for ...

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  10. What is an equipotential surface? Draw the equipotential surfaces for ...

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  11. Draw the graphs representing the variation of resistivity with tempera...

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  12. Draw the graphs representing the variation of resistivity with tempera...

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  13. Draw the graphs representing the variation of resistivity with tempera...

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  14. Define the term .angle of dip.. Find the value of dip at a place if th...

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  15. Show that the changes oscillate with a frequency given by omega = 1/sq...

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  16. What is meant by diffraction of light? Write the conditions for maxima...

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  17. What are logic gates? Give the logic symbol of NOT and AND gates.

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  18. Derive an expression for the electric field at a point due to an infin...

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  19. Obtain an expression for the equivalent emf and internal resistance of...

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  20. Write three postulates of Bohr. Mention two limitation of Bohr model.

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