Q53. A parallel plate capacitor with spacing d and area of cross-section A is connected to a source of voltage V. If the plates are pulled apart quasistatically to a spacing of 2d, then which of the following statements are correct? 5 (a) The force between the plates at spacing 2d is (b) The work done in moving the plates is (d) The energy of the capacitor reduces by 1 AV2 o 8 d ( (1 d (c) The energy transferred to the voltage source is o AV 1E AV2 2 d AV 4 d