An ammeter is connected in a circuit in
Series
Parallel
Either in series or in parallel
None of these
Which of the following is positively charged?
electron
proton
neutron
none of these
When conductor are joined in series the resistance
become zero
increases
decreases
no change
SI unit of current
volt
Joule
Ampere
A lightning conductor is made up of
copper
glass
ebonite
wood
The insulator is
Cu
Silk
Acidulated water
Human body
Which of the following is an example for insulator?
Mercury
Wood
Impure water
Which of the following atom has 2 protons and 2 neutrons inside the neucleus and 2 electrons revolving the orbit.
He atom
H atom
Li atom
Na atom
