Bodies having opposite type of charges,
Attract each other
Repelled each other
Freely move
None of these
Who give the algebraic signs for charges?
Michel Faraday
J. J. Thomson
Rutherford
Benjamin Franklin
Uncharged objects have only
neutrons
protons and electrons
electrically neutral atom
protons and neutrons
Which one of the following is heavier?
Electron
Proton
Neutron
Position
Wood is an example of
an insulator
a conductor
a super conductor
a semiconductor
Electricity is the:
Flow of positive charges
Flow of negative charges
Flow of both positive and negative charges
Neither positive nor negative
Electrons near to the nucleus are called:
bound electrons
free electrons
valence electrons
ionising electrons
Every matter is made up of billions of tiny particles called:
atoms
molecules
compounds
nucleus
What happend when a charged object is in direct contact with an uncharged objects?
No changes
Repelled away
Get charged
Discharged both
What is the electrical spark caused by the accumulation of charges in the clouds?
Friction
Lightning
Charged by induction
Charged by conduction
