14. Mention the condition under which charges can move in a conductor. Name the device which is used to
maintain this condition in an electric circuit for verifying Ohm's law.
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Answer:
Potential difference
Cell or battery
Explanation:
Charges can move, if there is a difference of electric pressure or potential difference along the conducor.
Cell or battery is the device used to maintain this condition in an electric circuit for verifying Ohm's law.
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when the electric circuit is closed the charge can move in a conductor. Resistors
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