Final answer:
Grounding and voltmeters are essential in electrical systems to ensure safety and accurate voltage measurement.
Explanation:
Grounding is the process by which a conductor is fixed at zero volts by connecting it to the earth with a good conductor. This ensures safety and proper functioning of electrical systems by providing a low-resistance path to the ground. A voltrmeter is a device used to measure voltage in a circuit by connecting it in parallel to the component being measured, as objects in parallel experience the same potential difference.
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