The property of matter that measures how well electricity travels through the
substance.
It’s called?

Positrons are spontaneously emitted from the nuclei of

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?

The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e