Five current carrying conductors meet at a point P . What is the magnitude and direction of the current in the fifth conductor?

Step-by-step solution

Using Kirchoff's junction law which is based upon the law of conservation of charge, Net charge accumulation at any junction is zero, therefore, ∑ i = 1 n = I 1 + I 2 + … … + I n At junction P ,   + 5   A + + 4   A + - 3   A + - 5   A + I P = 0 ⇒ I P = 1   A Therefore, the current of 1   A   is flowing from P   to   Q .