Ohm SI Unit — FRCA Primary MCQ
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Correct answer: B — Electrical resistance
Ohm's law: V = IR. One ohm = resistance when 1 volt produces 1 ampere. Ampere = current / Volt = potential difference / Watt = power / Farad = capacitance.
Reference: Al-Shaikh Stacey 2019 Essentials of Anaesthetic Equipment