29/05/2026
Small component. Massive impact. Meet the resistor.
In our ongoing Technical Skill-Up Program at Autotive Engineering & Innovations, our students took a deep dive into one of the most fundamental components in electronics — the Resistor.
Here’s what they learned:
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What a resistor is — a passive component that limits or controls the flow of electric current in a circuit, measured in Ohms (Ω).
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Types of resistors — fixed, variable (potentiometers & rheostats), thermistors, LDRs, and more — and where each type is applied in real circuits.
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Colour code reading — how to decode the colour bands on a resistor to identify its resistance value and tolerance without any instrument.
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Ohm’s Law in practice — understanding the relationship between voltage, current, and resistance (V = IR) and applying it to circuit calculations.
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Series & parallel combinations — how resistors behave when connected together and how total resistance is calculated in each configuration.
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Measuring with the DMM — using the digital multimeter to verify resistance values and check for faulty resistors in real components.
Every great engineer understands that mastery of the basics is what separates a professional from a guesser. Before designing power supplies, sensor circuits, embedded systems, or motor drivers — you must understand how current is controlled at its most fundamental level.
Our students are not just learning components — they are building the foundation for a career in electronics, automation, renewable energy, and industrial systems.
“You cannot control what you do not understand. Master the component first.”
