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an experimental set up tor determination of resistance of a given resistor,it is adsetathe plug from the key when the ooservations are not being taken. Why' |
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Answer» It is usually advised to switch of the circuit while not taking the reading during the verification of ohm's law because when the current is passed through the resistor , then due to the heating effect , the temperature of the setup rises and hence , ohm's law cannot be verified properly as ohm's law states a condition of constant temperature. |
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