1.0Glossaryhttps://www.healthbenefitstimes.com/glossaryGlossaryhttps://www.healthbenefitstimes.com/glossary/author/adminglossary/Left-hand thumb rule - Definition of Left-hand thumb rulerich600338<blockquote class="wp-embedded-content" data-secret="aY676l6YuN"><a href="https://www.healthbenefitstimes.com/glossary/left-hand-thumb-rule/">Left-hand thumb rule</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.healthbenefitstimes.com/glossary/left-hand-thumb-rule/embed/#?secret=aY676l6YuN" width="600" height="338" title="“Left-hand thumb rule” — Glossary" data-secret="aY676l6YuN" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script>
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By gripping the wire in the left hand and aligning the thumb in the direction of electron flow (from negative to positive), the encircling fingers will indicate the orientation of the magnetic lines of force around the wire.