A supplied electrical circuit

A fictional helicopter maintenance worksheet specifies a 28 volt direct-current supply and a purely resistive test load of 4 ohms. It asks for current and electrical power using an ideal steady-state model. The worksheet separately says the measuring point and circuit are already defined; it does not instruct the learner to energize an actual aircraft. One learner divides resistance by voltage, while another calculates current correctly but calls it proof that every protection device is suitable. The task asks for the arithmetic and the evidence limit. No wiring rating, circuit-breaker characteristic, temperature, actual load or maintenance authorization is supplied. A complete answer must retain units and separate a physical calculation from approved circuit design, safe test setup and component acceptance.