True or false physics 2 questions. 1. [ ] Gauss\'s law states that the net elect

Question

True or false physics 2 questions.

1. [ ] Gauss's law states that the net electric flux E through any closed Gaussian surface is equal to the net charge inside the surface divided by 4_0.

2. [ ] Gauss's law is useful for calculating electric field when the charge distribution is highly symmetrical.

3. [ ] At electrostatic equilibrium, the electric field is zero everywhere inside a conductor, and any charge can only be distributed on the surface of the conductor.

4. [ ] Electric field just outside a charged conductor is perpendicular to the surface and has a magnitude /2_0.

Explanation / Answer

(1) False : it states that the net electric flux E through any closed Gaussian surface is equal to the net charge inside the surface divided by _0.

(2) True

(3) True

(4) False: Though it will be perpendicular but its value is /_0, Provided conductor is of infinite size

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