Question:
A wire of resistance 10 0 ohm is stretched and increases its
Last updated: 6/9/2023
A wire of resistance 10 0 ohm is stretched and increases its length by 20 Its resistance then would be Neglect any change in volume or resistivity A 10 0 ohm B 12 0 ohm C 14 4 ohm D 10 2 ohm Figure shows a copper wire of nonuniform cross section carrying current toward right for sectors A B and C