Find the current flowing through the fixed resistor in a circuit when the p. d across the resistor is 12 V and its resistnce is 4 Ohms

As seen in a us weather map, the h (or high) and l (or low) symbols indicate regions where surface air pressures are high or low, respectively, compared to surrounding areas. an h is plotted where the air pressure is highest and an l is plotted where the air pressure is lowest. proceeding outward and away from the center of a high pressure system, the air pressure "