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Derive an expression for the electric po...

Derive an expression for the electric potential energy of a system of two point charges in the absence of an external electric field.

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OSWAAL PUBLICATION-Sample Paper 3-Exercise
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  2. Give three differences between intrinsic and extrinsic semiconductors

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  3. Derive an expression for the electric potential energy of a system of ...

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  4. State and explain Ohm.s law and hence defien ohm.

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  5. Write any four properties of ferromagnetic materials and give an examp...

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  7. State any three feautures of nuclear force

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  8. Distinguish between conductors, insulators and semiconductors on the b...

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  9. Draw a neat labelled block diagram of an AM transmitter.

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

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  11. Obtain an expression for equivalent resistance of two resistors connec...

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  12. Derive the expression for magnetic field at a point on the axis of a c...

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  13. Derive the expression for refractive index of the material of the pris...

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  14. Explain three facts of photoelectric effect using Einstein's photoelec...

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  15. With a circuit diagram, explain the action of n-p-n transistor as an a...

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  16. A 400 pF capacitor charged by a 100 V dc supply is disconnected from t...

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  17. (a) Three resistor 1Omega ,2Omega, and 3Omega are combined in series. ...

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  18. A series LCR circuit with our 20 Omega , = 1.5 H and C = 35 mu F is c...

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  19. Monochromatic light of wavelength 5000 overset@A from a narrow slit is...

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