- Kirchhoff's Voltage Law (KVL) is mathematically expressed as $\sum V = 0$ around any closed loop. - KVL is based on the conservative nature of the electric field and the conservation of energy. - Potential difference is defined as the change in potential energy per unit charge. Traversing a closed loop means returning to the initial potential, so the total change in potential (and potential energy) is zero.
"The sum of emfs and potential differences around a closed loop equals zero" is a consequence of
Asked in UPSC NDA 2 2019 · Topic: Electric Current (Kirchhoff's Laws (Current Law and Voltage Law))
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