What will happen if a student while studying the dependence of current.
What will happen if a student while studying the dependence of current on the potential difference keeps the circuit closed for a long time to measure the current and potential difference?
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If the circuit is kept closed for a long time t resistor will get heated up and its value will change. This is because heat produced in any resistor,
H = I2Rt
As time will increase heat produced will increase.
Hence resistor will get heated up due to which its value will change.
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