Electric Field and Potential » Exercise – 1
4. If a positive charge is shifted from a low-potential region to a high-potential region, the electric potential energy :
(a) increases
(b) decreases
(c) remains the same
(d) may increase or decrease
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- Electric Field and Potential » Exercise - 1 1. An electric dipole is placed in a uniform electric field. The net electric force on the dipole : (a) is always zero (b) depends on the orientation of the dipole (c) can never be zero (d) depends on the strength of the dipole 2. When the separation between two charges is increased, the electric potential energy of the charges : (a) increases (b) decreases (c) remains the same (d) may increase or decrease 3. A proton and an electron are placed in a uniform electric field. (a) The electric forces acting on them will be equal. (b) The magnitudes of the forces will be equal. (c) Their accelerations will be equal. (d) The magnitudes of their accelerations will be equal. 4. If a positive charge is shifted from a low-potential region to a high-potential region, the electric potential energy : (a) increases (b) decreases (c) remains the same (d) may increase or decrease 5. A point charge q is rotated along a circle in the electric field generated by another point charge Q. The work done by the electric field on the rotating charge in one complete revolution is : (a) zero (b) positive (c) negative (d) zero…