1.What is the limitation of Coulomb’s law? If you have a single charge in the entire universe, can you measure the electric field of this charge at any point?
1.What is the limitation of Coulomb’s law? If you have a single charge in the entire universe, can you measure the electric field of this charge at any point?
2. What is the importance of Gauss’s law? Show that Coulomb’s can be a special case of Gauss’s law.
3.Consider there are four point charges of magnitude q1 = 2 nC, q2 = -6 nC, q3 = 8 nC and q4 = unknown are located at four different corners of a square of edge 4 mm. The net electrostatic potentials at the center point of the square is 140 V. Calculate the value of unknown point charges.
4.What is the meaning of this equation ∮ ?⃗ ⋅ ⅆ ? = Q/ε0 , where ?⃗ represents the electric field and ? is the area vector. Why would you use d? in the above equation?
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