In the circuit shown, current (in A) through the 50 V and 30 V batteries are, respectively :
Resistors R1, R2 and R3 having values 5Ω, 10Ω, and 30Ω respectively are connected in parallel across a battery of 12V. Calculate [3 MARKS]
(a) the current through each resistor
(b) the total current in the circuit and
(c) the total circuit resistance.