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Sagot :
Because a lightbulb can be tested with a powered test light and an ohmmeter, both professionals are accurate.
Directly on the metre to measure resistance.
ONLY used when the item is taken off of its original circuit.
utilised an internal battery to operate in order to compare circuits
Electrical equipment used to measure electrical resistance is called an ohmmeter (the opposition offered by a circuit or component to the flow of electric current). When in resistance-measuring mode, multimeters also serve as ohmmeters. An ohmmeter conducts current through the component or circuit whose resistance is being measured. The resistance is then determined using Ohm's law V=IR and the resultant voltage.
Ohmmeters shouldn't be attached to components or circuits that are powered on or carrying current. Before attaching the ohmmeter, power must be turned off.
Learn more about Ohmmeter here:
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