Electric Circuits
Fillers in a lead acid battery are provided

 to recover acid loss through vapours.
 all of above.
 to facilitate flow of gases.
 to prevent flow of gases.

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Electric Circuits
Atoms have no electric charge because they

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

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