Two air capacitors A and B having capacities 1 `muF` and `4muF` respectively are connected in series with a 35 V source. A medium of dielectric constant K=3 is introduced in between the plates of A. what is the change in the charge on the combined capacitor?

A bulb B a capacitor C are connected in series to an a.c. source. A dielectric slab is now introduced between the plates of the capacitor. How will the brightness of bulb change ?

Two capacitors of capacities 1muF and 4muF are connected in series with battery of 200V. The voltage across them are in the ratio of

Two capacitors A and B of capacitance 4muf and 2muF respectivley are connected in series with a battery of e.m.f. 100 V. The connections are broken and the like terminanls of the capacitors are then joined. Find the final charge on each capacitor.

A parallel plate capacitor has a capacity c. If a medium of dielectric constant K is introduced between plates, the capacity of capacitor becomes

Two capacitors of capacitance 10muF" and "20muF are connected in series with a 6V battery. After the capacitors are fully charged, a slab of dielectric constant k is inserted between the plates of the two capacitors. How will the following be affected after the slab is introduced? The potential difference between the plates of the capacitors.

Two capacitors of capacitance 10muF" and "20muF are connected in series with a 6V battery. After the capacitors are fully charged, a slab of dielectric constant k is inserted between the plates of the two capacitors. How will the following be affected after the slab is introduced? The charges on the two capacitors.

Two capacitors of capacitance 10muF" and "20muF are connected in series with a 6V battery. After the capacitors are fully charged, a slab of dielectric constant k is inserted between the plates of the two capacitors. How will the following be affected after the slab is introduced? The electric field energy stored in the capacitors.

Two identical parallel plate capacitors are connected in series and then joined in series with a battery of 100 V . A slab of dielectric constant K=3 is inserted between the plates of the first capacitor. Then, the potential difference across the capacitor will be, respectively.

Three capacitors of capacitance 3 muF, 10 muF and 15 muF are connected in series to a voltage source of 100 V . The charge on 15 muF is