Expression for the co-efficient of coupling between two coil

Question

Question 1) Write down the relation between electric field intensity and electric potential.

Question 2) Derive the expression for the capacitance of parallel plate condenser.

Question 3) Describe in detail how a potentiometer can be used to calibrate a low range voltmeter.

Question 4) What is a thermo electric diagram?

Question 5) Establish the relation μ = μ₀(1 + X)

Question 6) Briefly explain about Ferro and diamagnetic substances?

Question 7) What do you mean by co-efficient of coupling? Write the expression for the co-efficient of coupling between two coils.

Question 8) Deduce the expression for the emf indulged in a coil rotating in a uniform magnetic field.

Question 9) Compute the potential due to a uniformly charged spherical conductor.

Question 10) Derive the expression for the capacitance of a cylindrical condenser.

Question 11)(a) What do you mean by Peltier effect? Define Peltier coefficient.

b) Describe any two uses of thermoelectric Diagrams.

Question 12)(a) How will you determine internal resistance of a cell using potentiometer?

(b) Explain the method of measuring thermo emf of a cell.

Question 13) Give the account of Langevin’s theory of paramagnetism.

Question 14) Explain with essential theory, Anderson’s bridge method for determining the self-inductance of a coil.

Question 15) Give the construction of a moving coil Ballistic galvanometer. Derive the expression between the quantity of charge flowing through it and the throw obtained. Demonstrate how the observed throw is corrected for damping.

Question 16) Describe the theory of transformer and explain its working. Explain the different losses occurring in a transformer.