Science:Math Exam Resources/Courses/MATH152/April 2022/Question B5 (b)/Hint 1

Kirchoff’s current law states that the sum of the currents entering a junction must equal the sum of the currents exiting a junction. Can you use this and Kirchoff’s voltage law to write ${\textstyle J_{2}}$ in terms of ${\textstyle V_{1}}$, ${\textstyle V_{2}}$, and ${\textstyle I}$?