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Observe the graph of potential difference (V) drawn between two ends of a conductor and current (I) passing through it. Answer the following questions : (a) Which law is used to explain the graph ? State it. (b) What is the resistance of the conductor ? |
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Answer» (a) Ohm's law : The potential difference between the ends of a conductor is directly proportional to the electric current passing through it at constant temperature. (b) R = V/i = 5/1 = 10/2 = 5 Ohms. |
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