Download Aptitude Crack
img not found img not found

Voltage, Current and Resistance

Q1: Materials with lots of free electrons are called

A conductors

B insulators

C semiconductors

D filters

ANS:A - conductors

Conductivity of the atom depends on the number of electrons that are in the valence shell. When an atom has only one electron in valence shell, it is almost a perfect conductor. When an atom has eight valence electrons the valence shell is said to be complete and the atom is an insulator.



img not found
img

For help Students Orientation
Mcqs Questions

One stop destination for examination, preparation, recruitment, and more. Specially designed online test to solve all your preparation worries. Go wherever you want to and practice whenever you want, using the online test platform.