Maharashtra HSC Electronics Field Technician (NSQF F6) case studies
Maharashtra HSC Electronics Field Technician (NSQF F6) · Put your knowledge to work in context.
The Maharashtra HSC Electronics Field Technician (NSQF F6) is a vocational subject offered within the Higher Secondary Certificate programme of the Maharashtra State Board of Secondary and Higher Secondary Education. It pairs a standard HSC academic timetable with occupationally focused electronics training, so a learner leaves Class XII with both a board certificate and documented, job-relevant technical competence. The Maharashtra HSC Electronics Field Technician (NSQF F6) case studies are 5 cases and about 2,848 words.
1Bench Power Supply Overheating and Poor Regulation
During a practical test, a trainee assembles a 12 V, 1 A regulated supply using a 15 V transformer secondary, a bridge rectifier, a 2200 µF filter capacitor and a series pass transistor. The intended output is 12.0 V at 1.0 A with less than 1 V ripple.
624 words, about 3 min2Analog Meter Loading on a High-Impedance Sensor
A technician is troubleshooting a gas-sensor module whose output should be 4.80 V DC at the sensor amplifier test point. The test point is fed from an op-amp output through a 100 kΩ series resistor.
568 words, about 3 min3Refrigerator Compressor Clicks and Trips Overload
A domestic refrigerator with a hermetic compressor, a PTC starter and an overload protector is reported warm in both compartments. The compressor attempts to start, clicks, hums for about 5 s and then the overload trips; it retries after cooling.
522 words, about 3 min4Street-Light Relay Chattering on an Arduino Controller
A trainee builds an automatic street-light controller using an Arduino Uno, an LDR divider and an active-LOW relay module. The LDR forms a divider with a 10 kΩ resistor from 5 V, and the junction goes to A0.
582 words, about 3 min5Workshop Circuit Tripping and Earthing Check
A small electronics workshop has a 230 V single-phase supply feeding a 3 kW geyser, a 1 kW lighting load and several soldering irons. The geyser circuit uses 2.5 mm² copper cable, 25 m long, protected by a 16 A MCB.
552 words, about 3 min