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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 2-Exercise
  1. Give the circuit symbol and truth table for OR gate

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  2. Draw block diagram of a reciever

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

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  4. Obtain an expression for the magnetic force on a current carrying cond...

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  5. Write three properties of paramagnetic substance.

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  6. (a) Obtain the expression for the magnetic energy stored in a solenoid...

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  7. What is resonance in series LCR circuit? Derive the expression for res...

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  8. Derive the expression for resultant displacement and amplitude when tw...

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  9. Given de- Broglie's explanation of quantisation of angular momentum as...

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  10. Give three differences between intrinsic and extrinsic semiconductors

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  11. Obtain an expression for the electric field intenstiy at a point on th...

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  12. Derive an expression for electrical conductivity.

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

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  14. Arrive at Snell's law of refraction, using Huygen's principle for refr...

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  15. Write the experimental observations of photoelectric effect.

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  16. Explain the working of a forward biased p-n junction diode.

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  17. A 600pF capacitor is charged by a 200V supply. It is then disconnected...

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  18. Two cells of emf 3 V and 2 V and internal resistances 1.5 Omega and 1 ...

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  19. A 60 V, 10 W lamp is to be run on 100 V, 60 Hz a.c. mains. Calculate t...

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  20. A convex lens of focal length 0.24 m and of refractive index 1.5 is co...

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