**EC6403 EMF Important Questions**

Anna University Regulation 2013 Electronic Communications Engineering (ECE) EC6403 EMF Important Questions for all 5 units are provided below. Download link for ECE 4th SEM EC6403 ELECTROMAGNETIC FIELDS Answer Key is listed down for students to make perfect utilization and score maximum marks with our study materials.

**EC6403 EMF Important Questions**

PART – A

UNIT – I

1. Define Electric field intensity BTL 1 Remembering

2. Describe line, surface and volume charge density BTL 1 Remembering

3. State divergence theorem BTL 1 Remembering

4. Tell about Stokes theorem BTL 1 Remembering

5. What is Coulomb’s law BTL 1 Remembering

6. Show principle of superposition of fields BTL 1 Remembering

7. Write the relationship between potential and electric field intensity. BTL 2 Understanding

8. Identify the unit vector and its magnitude corresponding to the given vector A=5 âx + ây + 3 âz BTL 2 Understanding

9. Estimate the distance between the given vectors A(1,2,3) and B(2,1,2) BTL 2 Understanding

10. Discuss about electric scalar potential BTL 2 Understanding

11. Calculate the field intensity at a point on a sphere of radius 3m, of a +ve charge of placed at the origin of the sphere. BTL 3 Applying

12. Sketch a differential volume element in spherical coordinates (r,θ,φ) resulting from differential charges in the orthogonal coordinate systems. BTL 3 Applying

13. Compute the gradient of scalar system t=x2 y+eZ at point P (1, 5,- 2). BTL 3 Applying

14. Find out the integral and differential form of Gauss law. BTL 4 Analyzing

15. Point out the potential due to an electric dipole. BTL 4 Analyzing

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EC6403 Answer Key, EMF Unit wise Important Questions- ECE 4th Semester