11.Dielectric strength of a medium is usually expressed in

12.Mica capacitors are characterised by all of thte following except

13.An uncharged conductor is placed near a charged conductor, then

14.If an ohmmeter reading immediately goes practically to zero and stays there, capacitor is

15.A positive and a negative charge are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be