Question

answer of this question​

Answer 1

Answer:

2ohm

Explanation:

V=IR by ohm laws

12=9×(R1×R2/R1+R2)

4/3=4×R2/4+R2

by solving we get

R2=2ohm

Answer 2

Answer:

$\fbox{20ohm}$

Explanation:

====>V = IR

====>12=9×(R1×R2/R1+R2)

====>4/3=4×R2/4+R2

====>Hence, 20ohm is Answer.