Single Answer MCQ
Q-00040424
Which of the following statements is true about the area of cross-section and resistance?
1
Resistance increases as area increases
2
Resistance is not affected by area
3
Resistance decreases as area increases
4
Resistance is constant across materials
Answer and Solution
Answer
C. Resistance decreases as area increases
Solution:
According to Ohm's law, resistance is inversely proportional to the area of cross-section, so as the area increases, the resistance decreases.
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