Electromagnetically-induced voltage can be completely discharged by which method?

Electromagnetically-induced voltage, also known as inductive voltage, is generated in conductive materials when they are subjected to a changing magnetic field. This type of voltage can persist in a system, even after the external power source has been removed, making it essential to properly handle it to avoid potential hazards.

Grounding is a common method used to manage electrical energy and provide safety. However, grounding does not necessarily eliminate the stored inductive energy completely. When one end is grounded, the pathway for the discharge of the induced voltage is limited, and it may not completely neutralize all the voltage present in the system. Grounding both ends may help mitigate some of the indented voltage, but it still does not guarantee total discharge, as the core concept of electromagnetic induction means that the energy can be stored in the magnetic field.

Furthermore, using a circuit breaker helps interrupt electrical circuits but doesn't specifically address the complete discharge of inductive voltage either. It primarily serves as an overcurrent protection device instead of a voltage discharge method.

Therefore, stating that electromagnetically-induced voltage cannot be completely discharged by grounding captures the essence of the behavior of electrical energy in the presence of inductance, emphasizing that careful handling and consideration of design are necessary to ensure safety.