Physics · Electricity
Which of the following statements about resistance is INCORRECT?
- 1The current through a resistor is inversely proportional to its resistance.
- 2Resistance is constant for a given metallic wire at any temperature.✓
- 3Resistance can be varied using a rheostat.
- 4Resistance is constant for a given metallic wire at a given temperature.
Correct answer
Resistance is constant for a given metallic wire at any temperature.
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