why there is a use of terminals in electric bulb and an electric cells
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Terminals have mainly two important factors to decide upon.
Firstly they ensure that the current flows in the right direction.
Secondly as we know that for current to flow, there should be a potential difference, which is also referred to as voltage.
Therefore the potential difference is measured across these terminals in cells and bulbs.
Firstly they ensure that the current flows in the right direction.
Secondly as we know that for current to flow, there should be a potential difference, which is also referred to as voltage.
Therefore the potential difference is measured across these terminals in cells and bulbs.
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