The figure shows a charge +q at point P held in equilibrium in air with the help of four + q charges situated at the vertices of a square. The net electrostatic force on q is given by
A. Gauss’s law
B. Coulomb’s law
C. Principle of superposition
D. net electric flux out the position of +q.
Answer:C
The figure shows a charge +q at point P held in equilibrium in air with the help of four + q charges situated at the vertices of a square. The net electrostatic force on q is given by
A. Gauss’s law B. Coulomb’s law C. Principle of superposition D. net electric flux out the position of +q.