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Give any one use of electromagnet...

Give any one use of electromagnet

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  • 2019 Solved Paper I

    OSWAAL PUBLICATION|Exercise Exercise|36 Videos

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OSWAAL PUBLICATION-2020 Solved Paper I -Exercise
  1. Write the SI unit of electric flux

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  2. Plot a graph of resistivity of a semiconductor as a function of absolu...

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  3. Give any one use of electromagnet

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  4. What is the significance of Lenz's law ?

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  5. How does capacitive reactance vary with frequency ?

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  6. Why does the sky appear dark instead of blue to an astronaut?

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  7. Mention any two methods of increasing the resolving power of a microsc...

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  8. Write the nuclear reaction equation-for alpha decay of ""(92)^(238)U

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  9. Give the logic symbol, Boolean expression and truth table of a NOR gat...

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  10. State Coulomb.s law

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  11. A parallel plate capacitor with air between the plates has capacitance...

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  12. A parallel plate capacitor with air between the plates has capacitance...

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  13. What are the limitatons of ohm.s law?

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  14. In a region, an electric field vec(E )= 5 xx 10^(3) hat(j) NC^(-1) and...

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  15. What is hysterisis? Define the terms 'coercivity' and 'retentivity' of...

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  16. Mention energy losses in a transformer .

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  17. What is displacement current? Give the expression for it

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  18. An alpha particle, a proton and an electron are moving with equal kine...

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  19. Derive the relation between electric field and electric potential.

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  20. Derive the expression for energy stored in a charged capacitor.

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