1 milli Ampere is
103A
10-3A
106A
10-6A
Which is the following is the correct expression for ohm's law.
V = IR
V = I/R
None of these
How many electron can be accommodate in the 3rd orbit of an atom.
2
8
18
32
The net charge of an atom
1
zero
none of these
Which of the following is positively charged?
electron
proton
neutron
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
An ammeter is connected in a circuit in
Series
Parallel
Either in series or in parallel
At small distance from the earth the colour of lightning is
white
pink
violet