Most of the space in an atom is
full of charges
empty
full of neutrons
None of these
The substances allow the flow of electric charges in normal state are.
Insulators
Conductors
Semiconductors
Super conductors
Electrons near to the nucleus are called:
bound electrons
free electrons
valence electrons
ionising electrons
A nucleus consist of:
protons
neutrons
protons and neutrons
electrons and neutrons
The direction of conventional current is always from
a higher electric potential to lower
lower to higher potential
zero to higher
zero to lower
Who give the algebraic signs for charges?
Michel Faraday
J. J. Thomson
Rutherford
Benjamin Franklin
The electricity produced only with the movement of electric charges. The statement is:
True
False
Sometimes true
Sometimes false
Two static charges of same type will
attract each other
repel each other
no change in its state
Kite experiment is done by
Michael Faraday
Edison
A proton carries a positive charge of
1.66 x 10-19 C
1.86 x 10-19 C
1.66 x 10-31 C
1.86 x 10-31 C