left-hand rule

noun

Definition of left-hand rule

: a rule in electricity: if the thumb and first two fingers of the left hand are arranged at right angles to each other on a conductor and the hand oriented so that the first finger points in the direction of the magnetic field and the middle finger in the direction of the electric current then the thumb will point in the direction of the force on the conductor

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Cite this Entry

“Left-hand rule.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/left-hand%20rule. Accessed 28 Oct. 2021.

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