Question

this question is urgent

Answer 1

Ratio of V/I comes out to be 2 everytime and according to ohm's law R=V/I

Answer 2

First find equation

As it passes through origin

so V = m I

put 1,2

2 = m

So V = 2 I

Now put V = 10

10= 2 I

I = 5

As we know V= I R

comparing gives slope as R which is 2