Rankers Physics

Electric Field Lines: Practice Problem & Solution

Three positive charges of equal value q are placed at the vertices of an equilateral triangle . The resulting lines of force should be sketched as in

Solution Explained:

To solve this problem, we apply the core principles of Electric Field Lines. Understanding the underlying formula is key to arriving at the correct answer below:

Option 1 is wrong as electric field lines will emerge out of +ve charge and should submerge only at -ve charge.

Option 2 is wrong as electric field lines can not be circular loop.

Option 3 is correct.

Option 4 is wrong because it is representing equipotential surface not field lines

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