A circuit consists of a resistor of 2 Ω in series with an arrangement of three parallel resistors, these having resistances of 4 Ω, 10 Ω and 20 Ω. If the voltage input to the circuit is 10 V, what...

A circuit consists of a resistor of 2 Ω in series with an arrangement of three parallel resistors, these having resistances of 4 Ω, 10 Ω and 20 Ω. If the voltage input to the circuit is 10 V, what will be the current through the 2 Ω resistor?