Field theory 10EE44

Department of EEE, SJBIT Page 1

Assignment Questions

Unit 1

1. Differentiate between scalar and vector

2. Explain dot and cross product of vectors

3. Explain and prove law of Coulomb

4. What is electric field intensity at a point because of a point charge

5. What is electric field intensity at a point because of a sheet of charge

6. What is electric field intensity at a point because of a volume of charge

7. Derive equation for field due to continuous volume charge distribution

8. Derive equation for field of a line charge

9. State Gauss law

10. Explain Divergence law and differentiate it from Gauss law

11. Give Maxwell’s first equation for electrostatics

Unit 2

1. What is the energy expended in moving a point charge in an electric field

2. Derive the line integral

3. Define potential and potential difference

4. Derive the field of a point charge

5. Derive a potential field of a system of charge

6. Define potential gradient

7. Explain energy density in an electrostatic field

Unit 3

1. Derive Poisson’s and Laplace equation

2. State and prove uniqueness theorem

3. What are the applications of poisons law

4. Derive poisons equation, and relate it to wire carrying current

5. Differentiate between poisson and laplace equation

Field theory 10EE44

Department of EEE, SJBIT Page 2

Unit 4

1. State and prove Biot-Savarts law

2. State and prove Ampere cicrcuital law

3. Explain magnetic flux and flux density

4. Explain scalar and vector magnetic potential

5. State and prove Curl theorem

6. State and prove Stokes theorem

Unit 5

1. What is the force required in moving charge form point o to p

2. What are differential current element

3. Explain with equations the force between differential current elements

4. Explain force and torque on a closed circuit

5. Explain permeability and magnetization

6. Explain inductance and mutual inductance with vectored equations

Unit 6

1. What is displacement current

2. State and explain Faraday law

3. Explain and state the difference in Maxwell’s equation in point and integral form.

4. What is retarded potential

Unit 7

1. Explain wave propagation in free space

2. Explain wave propagation in dielectrics

3. State and prove Poynthing theorem

4. What is wave power

5. Explain skin effect

Field theory 10EE44

Department of EEE, SJBIT Page 3

Unit 8

1. Explain SWR

2. Explain wave reflection at normal incidence

3. Explain wave reflection at non normal incidence

4. Explain plane wave propagation in general directions