The value of current I in figure is
a) |
4A |
b) |
6A |
c) |
3A |
d) |
5A |
The value of current I in figure is
a) |
4A |
b) |
6A |
c) |
3A |
d) |
5A |
(a)
From Kirchhoff’s first law, in an electric circuit the algebraic sum of the currents meeting at any junction is zero,
∴ Taking inward direction of current as positive and outward as negative, we have