Physics · Electricity
According to Ohm's Law, which of the following statements is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The potential difference across the ends of a resistor is always equal to the square of the current through it.
- 2The potential difference across the ends of a resistor is inversely proportional to the current through it, provided its temperature remains constant.
- 3The potential difference across the ends of a resistor is completely independent of the current flowing through it.
- 4The potential difference across the ends of a metallic resistor is directly proportional to the current through it, provided its temperature remains constant.✓
Correct answer
The potential difference across the ends of a metallic resistor is directly proportional to the current through it, provided its temperature remains constant.
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