Question

In a series of 2ohms,4ohms,3ohms,2ohms,4ohms and 3voltage find the current in the circuit

Answer 1

The Ohm's law says

$$I=\frac{V}{R_{\rm net}}$$

In our case

$$I=\frac{3\:\rm V}{\rm(2+4+3+2+4)\:\Omega}=0.2\:\rm A$$