Question

When the length of the conductor is doubled and the area of cross-section remains the same then its resistance

a. Remains the same

b. Will be doubled

c. Will become half

d. Will increase by four times

​

Answer 1

Answer: pls mark me as brainlist...

Initial length of the conductor l1=l Final length of the conductor l2=2l Initial cross-sectional area A1=A Final cross-sectional area A2=2A The resistance of conductors given by R=ρ1A∝1A As both the length and area are doubled Hence, there will be no change in the resistance of the conductor and so it will remain ...