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An ohmmeter is an electrical instrument that measures electrical resistance (the opposition offered by a circuit or component to the flow of electric current ). Multimeters also function as ohmmeters when in resistance-measuring mode.
Oct 4, 2023 · An ohmmeter is an electronic device that measures resistance in an electronic component or circuit. It works by using 2 probes to send a current through the circuit and measuring how much resistance, in ohms, that current encounters. The first step in using an ohmmeter is setting it up.
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Feb 24, 2012 · An ohmmeter (also known as an ohm meter) is an instrument that measures the electrical resistance of a material (resistance is a measure of the opposition to the flow of electric current ).
Ohmmeter, instrument for measuring electrical resistance, which is expressed in ohms. In the simplest ohmmeters, the resistance to be measured may be connected to the instrument in parallel or in series. If in parallel (parallel ohmmeter), the instrument will draw more current as resistance.
- The Editors of Encyclopaedia Britannica
The ohm is defined as an electrical resistance between two points of a conductor when a constant potential difference of one volt (V), applied to these points, produces in the conductor a current of one ampere (A), the conductor not being the seat of any electromotive force. [ 1]
Apr 14, 2023 · An ohmmeter can be interpreted in such a simple language that it is a type of electronic device that is mostly used to measure the electrical resistance of a circuit and its unit of resistance is an ohm. Electrical resistance is a measure of how much an object resists the flow of current through it.
Jul 16, 2021 · In this topic, you study the definition, working & diagram of Ohmmeter. This is a portable instrument, which indicates the value of a resistance (in ohm. Kiloohm or Megaohm) directly by the deflection of a pointer on a scale (Fig. 1).
