Physics
The mass defect is the result of what action occurring?

Protons and electrons being attracted to each other
Mass being converted to energy when protons and neutrons break apart in a nucleus
Energy being converted into moles of atoms when neutrons break apart protons
Mass being converted to energy when protons and neutrons bind together in a nucleus

ANSWER DOWNLOAD EXAMIANS APP

Physics
When a piece of pure silicon is doped with aluminium, then

The resistivity of the doped silicon piece will increase
The doped silicon piece will become n-type
The conductivity of the doped silicon piece will remain the same
The doped silicon piece will become p-type

ANSWER DOWNLOAD EXAMIANS APP