Physics – 4.3.3 Action and use of circuit components | e-Consult
4.3.3 Action and use of circuit components (1 questions)
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The student would observe that as the resistance increases, the potential difference also increases proportionally. The pattern would be a straight line on a graph plotting potential difference (V) against resistance (R). This pattern occurs because Ohm's Law (V = IR) states that the potential difference across a conductor is directly proportional to the current and the resistance. Since the current is kept constant, an increase in resistance will result in a corresponding increase in potential difference to maintain the constant current.