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MDCAT - Practice Test - Physics - Electrostatics Quiz

Attempt 10 MCQs on MDCAT - Practice Test - Physics - Electrostatics | Quiz 7

61. What is the nature of electrostatic force between a proton and an electron?



62. How does force change if distance between charges is doubled?



63. If both charges are doubled, Coulomb force becomes:



64. How does electric field vary with distance from a point charge?



65. How does electric potential vary with distance from a point charge?



66. Find electric field near an infinite sheet with surface charge density 2 μC/m².



67. Two equal positive charges are placed at distance d. What is electric field at the midpoint?



68. Two opposite charges +q and -q are separated by distance d. Find electric field at the midpoint.



69. Work done to bring a 2 μC charge from infinity to a point at 1000 V potential is:



70. Two charges 3 nC and -4 nC are at 0.1 m from a point. Find potential (k=9×10⁹).



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