Stupid question about batteries


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Mostly, sure, but there are cases that the batteries are not in serial but rather in parallel setup, gathering more mA and still being 1.5v. be sure that they are in serial setup.

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No. You can only be certain iff (if and only if) you connect them in serial like in many remote controls.

Secondly, it may not even require 3 volts.

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Mostly, sure, but there are cases that the batteries are not in serial but rather in parallel setup, gathering more mA and still being 1.5v. be sure that they are in serial setup.

very nice point

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...gathering more mA and still being 1.5v.

Voltage is independant of current. Voltage sources will produce a steady voltage regardless of current.

Current sources will do the opposite.

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