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In a circuit with resistance R, current ...

In a circuit with resistance R, current is supplied with n identical cells. At what value internal resistance of each cell will the current through R be the same whether they are connected in series or in parallel?

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UNITED BOOK HOUSE-MODEL PAPER SET-10-EXERCISE
  1. Derive an expression for electric field intensity at a point on the ax...

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

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

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  4. Write down the dimensional Formula of resistivity.

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

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

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  8. State and prove Ampere’s circuital law.

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  9. State Faraday’s laws in electromagnetic induction.

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

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

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

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  16. What is binding energy?

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