An ohmmeter is an instrument used to measure electrical resistance in ohms (Ω). It is a fundamental tool in electronics and electrical engineering, useful for diagnosing faults in circuits, checking the integrity of components, and verifying connections. ### Key Features of an Ohmmeter: - **Resistance Measurement**: It directly measures the resistance of resistive components, such as resistors, wiring, and other electronic components.
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An instrument that measures electrical resistance by applying a test excitation and observing the response.