Question

If the length of the conductor is tripled, the resistance will be _____ the original Resistance
Options are
1. 9 times
2. 1/9 times
3. 3 times
4. 1/3 times

Answer 1

Answer:

3 times

Explanation:

resistance is proportional to l/A

Answer 2

Answer:

3 times

Explanation:

resistance is directly proportional to length

$r = \alpha \: l \div a$