An electric dipole has a positive charge of 4.8 timesX 10^-19 C separated from a

Question

An electric dipole has a positive charge of 4.8 timesX 10^-19 C separated from a negative charge of the same magnitude by 6.4 times 10^-10 m. The electric potential at a point 9.2 times 10^-10 m from each of the two charges is 9.4 V zero 4.2 volts 5.1 times 10^9 V Which of the following statements regarding electric potential is true? The units of potential are N/C. Equipotential surfaces are parallel to electric field lines. Potential is a vector quantity. Equipotential surfaces for an isolated point charge are spheres concentric with the charge. Doubling the potential difference across a capacitor does not change the capacitance doubles its capacitance halves its capacitance quadruples the charge stored on the capacitor

Explanation / Answer

4) V= kq/r

V = V1+V2 = kq/r - kq/r =0

Correct option is (b)

5) Correct option is (d)

6) Q = VC

C2/C1 = V1/V2 = 1/2

Correct option is (c)

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