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If A is the area of each plate, charge on it is q and potential difference is V, then the distance between parallel plate capacitor isCorrectIncorrect
If n identical capacitors are connected in series and then in parallel, then the ratio of effective capacity in parallel and in series combination is i.e C(p)/C(s)CorrectIncorrect
Two identical capacitors are first connected in series and then in parallel. The difference between their effective capacities is 3μF. The capacity of each capacitor isCorrectIncorrect
In Milliken’s Experiment, an oil drop having charge q, mass m , gets accelerated by applying a potential difference V in between two plates separated by a distance d. The acceleration isCorrectIncorrect
Two concentric spheres kept in air have radii R and r . They have similar charge and equal surface charge density σ . The electric potential at their common centre is (ε0= permittivity of free space)CorrectIncorrect
Two charges of equal magnitude q are placed in air at a distance 2a apart and third charge -2q is placed at midpoint. The potential energy of this system is (ε0= Permittivity of free space)CorrectIncorrect
A capacitor C1= 4μF is connected in series with another capacitor C2= 1μF . The combination is connected across d.c source of 200V . The ratio of potential across C2 to C1 isCorrectIncorrect
Three parallel plate air capacitors are connected in parallel. Each capacitor has plate area A/3 and the separation between the plates is d. 2d and 3d respectively. The equivalent capacity of combination is (ε0= absolute permittivity of free space)CorrectIncorrect
When three capacitors of equal capacities are connected in parallel and one of the same capacity is connected in series with its combination. The resultant capacity is 3.75μF. The capacity of each capacitor isCorrectIncorrect
A series combination of N1 capacitors (each of capacity of C1) is charged to potential difference ‘3V’ . Another parallel combination of ‘N2’ Capacitors (each of capacity of C2) is charged to potential difference ‘V’ . The total energy stored in both combinations is same. The value of C1 in terms of C2 isCorrectIncorrect