Question

A Cu wire of resistance of 5 Ω is connected with a battery of 12 V, what will be the change

the value of -

a. resistance of Cu wire if its length is doubled on stretching it? 1

b. value of current passes through the resistor? 1

c. resistivity of Cu wire if its Area of cross section is doubled? 1

d. the SI unit of resistivity? ​

Answer 1

Answer:

d. one the most important work

Answer 2

Answer:

please MARK as BRAINLIST please

then I will say