There is an airfilled capacitor of capacity C. when the plate separation is doubled and a dielectric is introduced between the plates, the capacitance becomes 2 C. the dielectric constant of the dielectric is

A parallel plate capacitor has a capacity C. The separation between the plates is doubled and a dielectric medium is introduced between the plates. If the capacity now becomes 2C, the dielectric constant of the medium is

A parallel plate capacitor has a capacity C. The separation between plates is doubled and a dielectric medium is inserted between plates. The new capacity is 3C. The dielectric constant of medium is

An air filled capacitor has a capacitance 2p^f . Now the plate separation is doubled and the space is filled with dielectric medium, then the capacitance increase to 4_pF . The dielectric constant of dielectric medium is,

A parallel plate air capacitor has a capacity of 2 pF. If the separation between its plates is doubled and a mica sheet is introduced between its plates, its capacity becomes 6 pF. What is the dielectric constant of mica?

A parallel plate air capacitor has capacitance 18 mu F. If the distance between the plates is tripled and dielectric medium is introduced the capacitance becomes 72 mu F. The dielectric constant of the medium is :-

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