In Ohm's experiment, it is advised to take out the key from the plug when the observations are not being taken. Why?
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To avoid unnecessary heating of wire, it is advisable to take out the key from the plug when the observations are not being taken because current produces heating effect and the resistance increases with the increase in temperature.
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To avoid unnecessary heating of wire, it is advisable to take out the key from the plug when the observations are not being taken because current produces heating effect and the resistance increases with the increase in temperature.
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