Represent point P 0, 1, 1 m given in Cartesian co-ordinates in spherical co-ordinates. Express the value of differential volume in rectangular and cylindrical co-ordinate systems. Express the divergence of a vector in the three system of orthogonal Co-ordination. Show that closed. Evaluate both sides of divergence. Derive an expression for the electric field due to a straight and infinite uniformly charged wire of.

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State gauss law for the electric and magnetic fields. Derive its integral and differential forms. Make at least two conclusions. What is the force acting on the probe charge? Find the current density on the conductor surface. Find by such that, angle between A and B is If B also has a term B z a z , what relationship must exist between by B y and B z. Find the electric field intensity at a point 2,3,15 m. Two small identical conducting sphere have charges of 2nc and -1nc respectively.

When they are separated by 4cm apart, find the magnitude of the force between them. If they are brought into contacts and then again separated by 4cm, find the force between them. An iron ring with a cross sectioned of 3 cm2 and a mean circumference of 15 cm is wound with turns wire carrying a current of 0.

The relative permeability of the ring is Calculate the flux established in the ring. Derive the electrostatic boundary conditions at the interface of two dielectric media. If one of the medium is conductor, discuss the field pattern.

Find the magnetic flux density at the centre of a square of sides equal to 5 cm and carrying 10A of current. Derive the expression for the capacitance of a parallel plate capacitor with two dielectric media. Derive an expression for inductance of a solenoid with N turns and l meter length carrying a current of I amperes. Derive H due to a circular current loop and extend the same to compute H due to a long solenoid? What do you mean by displacement current?

Write down the expression for the total current density. Define faradays laws. What are the different ways of emf generation? Explain with governing equation and suitable example for each. Derive wave equations in phasor form and also derive for.

Derive the transmission and reflection coefficients for the electromagnetic waves. Discuss the above for an open line and a short circuited line. Post a comment. Where is the Menu? How to request Study Material? About Us Vidyarthiplus. Search for:. Make at least two conclusions 2. How it is different from coulombs law? Prove that divergence of a curl of avector is zero,using stokes theorem 6.

Find the current density on the conductor surface 7. If B also has a term B z a z , what relationship must exist between by B y and B z 8. Find the electric field intensity at a point 2,3,15 m 9. If they are brought into contacts and then again separated by 4cm, find the force between them Derive the expression for coefficient of coupling in terms of mutual and self inductances 2.

Calculate the flux established in the ring 3. Write short notes on faradays laws of electromagnetic induction 5. If one of the medium is conductor, discuss the field pattern 6. Discuss electric field in free space, dielectric and in conductors 7. Explain the concepts of scalar magnetic potential and vector magnetic potential Unit-3 1.

Find the magnetic flux density at the centre of a square of sides equal to 5 cm and carrying 10A of current 3. List the properties of dielectric materials 4. Derive the expression for coefficient of coupling in terms of mutual and self inductances 5. Derive the expression for the capacitance of a parallel plate capacitor with two dielectric media 6. Derive an expression for inductance of a solenoid with N turns and l meter length carrying a current of I amperes 7.

Explain in detail the principle of operation of a motor 8. Derive the boundary relation at the boundary between a conductor and dielectric Unit-4 1. On the basis of the analysis of the transmission line compare circuit theory and field theory 3. Write down the expression for the total current density 5. Derive the expression for total power flow in coaxial cable 6. Explain briefly about the motional emf and derive an expression for it 8.

Discuss the pointing sector and pointing theorem 9. Explain with governing equation and suitable example for each Unit-5 1. Derive wave equations in phasor form and also derive for 2. Explain about the propagation of EM waves in good conductor 3. Discuss the above for an open line and a short circuited line 4. Derive the electromagnetic wave equations 5.

State pointing vector and establish its usage in EM wave analysis 6. Discuss the wave motion in good conductors 7. Explain the reflection of plane waves by a perfect dielectric 8. Derive the expression for input impedance and standing wave ratio of transmission lines 9. Define Brewster angle and derive its expression Derive the relationship between electric and magnetic fields.

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## EC2253 - Kings College of Engineering

State gauss law for the electric and magnetic fields. Derive its integral and differential forms. Make at least two conclusions. What is the force acting on the probe charge? Find the current density on the conductor surface. Find by such that, angle between A and B is

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