Q.
Five conductors are meeting at a point x as shown in the figure. What is the value of current in fifth conductor?
A) 3 A away from x
B) 1 A away from x
C) 4 A away from x
D) 1 A towards x
Explanation
(b) According to Kirchhoff’s first law
(5A)+(4A)+(-3A)+(-5A)+I=0
Or I=-1A
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.