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What is electric flux? Write down its S....

What is electric flux? Write down its S.I. unit?

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UNITED BOOK HOUSE-MODEL PAPER SET-10-EXERCISE
  1. Two electric bulbs A and B are marked 220V, 40W and 220V, 60W respecti...

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  2. How much current does a Geyser rated 2 KW draw when connected to 230V ...

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  3. What is electric flux? Write down its S.I. unit?

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  4. Write down the statement Gauss’s theorem.

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  5. Derive an expression for electric field intensity at a point on the ax...

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  6. Prove that the electric field intensity at a point is equal to the neg...

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  7. The radii of two insulated metal spheres are 5cm and 10cm. 10 e.s.u. a...

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  8. Write down the dimensional Formula of resistivity.

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  9. In a circuit with resistance R, current is supplied with n identical c...

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  10. State and write the mathematical form of Biot-Savart's law with concer...

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  11. Find an expression for force on current carrying conductor in a unifor...

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  12. State and prove Ampere’s circuital law.

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  13. State Faraday’s laws in electromagnetic induction.

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  14. A coil of area 0.15 m^2 and 100 turns is placed perpendicular to a mag...

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  15. Show that the current leads the voltage by an angle of pi/2 in a purel...

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  16. An object is placed in fron of a concave mirror of focal length 20cm. ...

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  17. A convex lens produces a real image double the size of the object, whe...

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  18. Show.that the de-Broglie wavelength lambda of electrons of energy E is...

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  19. What is mass defect of a nucleus?

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  20. What is binding energy?

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