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What is the purpose of modulating a sign...

What is the purpose of modulating a signal in transmission?

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UNITED BOOK HOUSE-MODEL PAPER SET-10-EXERCISE
  1. Name the phenomenon which illustrates the particle nature of light.

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  2. A TV tower is 80m tall. Calculate the maximum distance upto which the ...

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  3. What is the purpose of modulating a signal in transmission?

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  4. Write down the binary addition of 101010 and 010101.

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  5. Give the symbol of NOR gate.

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  6. An object is placed in front of a convex mirror of radius or curvature...

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  7. What is Lorentz force? Also write the expression for it?

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  8. Write down the dimension of magnetic field. Also write its unit in S.I...

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  9. Two electric bulbs A and B are marked 220V, 40W and 220V, 60W respecti...

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

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

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  12. Write down the statement Gauss’s theorem.

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

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

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

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  16. Write down the dimensional Formula of resistivity.

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

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

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

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  20. State and prove Ampere’s circuital law.

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