BNJ10903

nucleus in atom consists of:

• proton and electron

• neutron and electron

• proton and neutron

• non of above

atomic number shows

• number of neutron

• number of electron

• number of proton

• number of proton and neutron

potential difference in electrical circuit refers to

• current

• voltage

• resistance

• power

what is unit for power

• C

• V

• P

• W

Electron at the outer shell of an atom is called:

• far electron

• valence electron

• last electron

• conducting electron

What is symbol for charge?

• q

• C

• I

• p