Single Answer MCQ
Q-00019345
How does increasing the length of a wire affect its resistance?
1
Decreases resistance
2
Increases resistance
3
No change in resistance
4
Depends on the material
Answer and Solution
Answer
B. Increases resistance
Solution:
According to Ohm's Law, resistance is directly proportional to length, meaning that a longer wire will have higher resistance than a shorter wire of the same material and cross-section.
Watch Video Solution