Electric Circuits
Four bulbs of 40 W each are connected in series with a battery across them, which of the following statement is true?

None of these
 The voltage across each bulb is not same.
 The current through each bulb is same.
 The power dissipation in each bulb is not same.

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Electric Circuits
Atoms have no electric charge because they

 have an equal number of electrons and protons.
 have an equal number of charged and non charged particles.
 have neutrons in their nuclei.
 have an equal number of neutrons and protons.

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