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what is a positively charged atom?
it has less number of electron than proton
what is a neutral atom?
an atom that has equal number of proton and electron
what is a conductor?
a material which allows the charge to flow through them
what is an insulator?
a material which does not allow the charge to flow through them
which device is used to control electrical circuits?
switch
In paint spraying which object is positively charged and which object is negatively charged?
the object to be painted is positively charged and the paint is negatively charged
what happens when two like charges are placed near each other?
the like charges repel each other
what happens when two unlike charges are placed near each other?
unlike charges attract each other
What device is used to measure electric current?
ammeter
what is the formula/equation for current?
I = Q/t
What is the unit of current?
Ampere
What is the unit of charges?
Coulomb
what happens to the current in a series circuit if more cells is added to it while keeping the number of bulbs constant?
the current in the circuit will increase
What kind of circuit is this?
series circuit
how is the ammeter connected to a circuit?
ammeter is connected in series with the load.
what happens to the other bulbs in a series circuit if one of the bulbs is broken?
the other bulbs will not light up
