The Kisan Credit Card (KCC) scheme was designed by

A capacitor filled with dielectric constant K is connected to a battery. If dielectric is removed, how much charge flows back?

What is the unit of electric current?  

Which of the following is a characteristic of sound waves?

A lens forms an image of magnification -2. If the object is placed 15 cm from the lens, what is the image distance?

Which of the following correctly describes the nature of electric field lines? 

A dielectric is pulled out of a charged capacitor (battery disconnected). The potential difference:

‘Lubb-dupp’ sound is produced due to the action of

Which law states that the induced electromotive force (e.m.f.) is proportional to the rate of change of magnetic flux linkage?