Physics, asked by ved3333, 11 months ago

A copper wire has a resistance of 0.5 ohm .Another copper wire of the same mass as the first is doubled in length of the first .Find the resistance of the second wire​

Answers

Answered by krishnasingh28
3

Answer:

R = 0.5

R = ∫l/a

0.5 = ∫l/a → ( equation 1 )

R1 = ∫2l/a

R1 = 2∫l/a

R1 = 2 × 0.5 ( because from equation 1 0.5 = ∫l/a)

R1 = 1.0

therefore resistance of second wire = 1.0 ohm  

Explanation:

Similar questions