Physics paper 4 Damnsure questions

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     Physics paper 4 - 10M questions

1. a) Find the electric field intensity due to a uniformly charged sphere at a point outside and inside the sphere. (Model questions)

Or

b) Define D, E and P. Derive the relation between them.

2. a) Derive the expression for intensity of magnetic field induction due to current loop at any point on its axis.

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b) State and explain Faraday's laws. Derive an expression for the self inductance
of a long solenoid.

3.a) Obtain the relation between current and voltage in LR circuit.

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b) Write Maxwell's equation in differential and integral forms. Derive an expression of poynting vector from Maxwell's equation.

4.a) Explain the construction and working of P-N junction diode?

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b) Define  for a transistor and derive the relation between them.

5.a) Explain the construction and working of OR, AND NOT gate.

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b) Explain the operation of full adder circuit with its truth table.

                         5M
6. Explain about equipotential surfaces.

7. Discuss the atomic view of dielectrics.

8. Explain Hall effect.

9. Describe Eddy current. 10. Explain Q-factor and power factor.

11. Explain the concept of displacement current. 

12. Explain the working of LED.

13. Write a short note on hybrid parameters of a transistor.


14. State and proved Demorgan's theorem.

15. Convert (35-6),, decimal number to binary number.(model problem)

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