Answer :
Final answer:
The net force on the third charge in the electric dipole will be zero due to the balanced electric dipole created by the +2q and -2q charges.
Explanation:
The net force on the third charge will be zero. Since the +2q and -2q charges in the electric dipole are equal in magnitude and opposite in direction, they create a balanced electric dipole. The third charge, -q, experiences equal and opposite forces from the +2q and -2q charges, resulting in a net force of zero on the third charge.
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