Two parallel plate condensers of capacity `20 mF` and `30 mF` are charged to the potentials of 30 V and respectively. If likely charged plates are conneted together then the common potential difference be

Two parallel plate condensers of capacity 20 mF and 30 mF are charged to the potentials of 30 V and 20 V respectively. If likely charged plates are connected together then the common potential difference be

A parallel plate air condenser of capacity 10 mu F is charged to a potential of 1000V. The energy of the condenser is

A parallel plate air condenser of capacity 4muF is charged to a potential of 1000 V. the energy of the condenser is

Two parallel plate condenser A and B having capacitances of 1 mu F and 5 mu F are charged separately to the same potential of 100V. Now the positive plate of A is connected to the negative plate of B and the negative plate of A to the positive plate of B. Common potential is

A condenser of of capacity 2 muF is charged to a potential of 100V. It is now connected to an uncharged condenser of capacity 3muF . The common potential will be

A condenser of capacity 16 mF charged to a potential of 20 V is connected to a condenser of capacity C charged to a potential of 10 V as shown in the figure. If the common potential is 14 V. the capacity C is equal to

A parallel plate condenser has conducting plates of radius 12 cm separated by a distance of 5mm. It is charged with a constant charging current of 0.16 A, the rate at which the potential difference between the plate change is