{"page":"\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/resources-572d6a42.css\" /\u003e\n\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/lp_boclips_stylesheets-f4d0de30.css\" media=\"all\" /\u003e\n\u003cdiv data-title='The Motor Effect | GCSE Physics | Doodle Science' data-url='/boclips/videos/5d6910c1e782912e7d322280' data-video-url='/boclips/videos/5d6910c1e782912e7d322280' id='bo_player_modal'\u003e\n\u003cdiv class='boclips-resource-page modal-dialog panel-container'\u003e\n\u003cdiv class='react-notifications-root'\u003e\u003c/div\u003e\n\u003cdiv class='rp-header'\u003e\n\u003cdiv class='rp-type'\u003e\n\u003ci aria-hidden='true' class='fai fa-regular fa-circle-play'\u003e\u003c/i\u003e\nVideo\n\u003c/div\u003e\n\u003ch1 class='rp-title' id='video-title'\u003e\nThe Motor Effect | GCSE Physics | Doodle Science\n\u003c/h1\u003e\n\u003cdiv class='rp-actions'\u003e\n\u003cdiv class='mr-1'\u003e\n\u003ca class=\"btn btn-success\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_link_boclips\" data-remote=\"true\" href=\"/subscription/new\"\u003e\u003cspan\u003e\u003cspan\u003eGet Free Access\u003c/span\u003e\u003cspan class=\"\"\u003e for 10 Days\u003c/span\u003e\u003cspan\u003e!\u003c/span\u003e\u003c/span\u003e\u003c/a\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-body'\u003e\n\u003cdiv class='rp-info'\u003e\n\u003cdiv aria-label='Hide resource details' class='rp-hide-info' role='button' tabindex='0'\u003e\u0026times;\u003c/div\u003e\n\u003ci aria-label='Expand resource details' class='rp-expand-info fai fa-solid fa-up-right-and-down-left-from-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003ci aria-label='Compress resource details' class='rp-compress-info fai fa-solid fa-down-left-and-up-right-to-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003cdiv class='rp-rating'\u003e\n\u003cspan class='resource-pool'\u003e\n\u003cspan class='pool-label'\u003ePublisher:\u003c/span\u003e\n\u003cspan class='pool-name'\u003e\n\u003cspan class='text'\u003e\u003ca data-publisher-id=\"30356165\" href=\"/search?publisher_ids%5B%5D=30356165\"\u003eDoodleScience\u003c/a\u003e\u003c/span\u003e\n\u003c/span\u003e\n\u003c/span\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-description'\u003e\n\u003cspan class='short-description'\u003eGCSE Science Doodle Science teaches you high school physics in a less boring way in almost no time! Follow me You can support me at Script: When a current passes through a wire it produces a magnetic field. If you put this magnetic field...\u003c/span\u003e\n\u003cspan class='full-description hide'\u003eGCSE Science Doodle Science teaches you high school physics in a less boring way in almost no time! Follow \u003ca href='https://twitter.com/DoodleSci' target='_blank' rel='nofollow'\u003eme\u003c/a\u003e You can support me \u003ca href='https://patreon.com/doodlescience' target='_blank' rel='nofollow'\u003eat\u003c/a\u003e Script: When a current passes through a wire it produces a magnetic field. If you put this magnetic field in another magnetic field, it puts a force on the wire. This is known as the motor effect. To determine the direction of the force you use a handy trick called Flemming's left hand rule. The way this works is by taking your left hand and making this shape with it. You then assign your first finger to the direction of the magnetic field, which is always north to south, your second finger to the direction of the current, and your thumb to the direction of the force. For example, in this case, Flemming's left hand rule states that the force would act in this direction. A simple electric motor works using this fact. It works by looping a coil of wire around to two electrical contacts inside a magnetic field. This causes one side of the wire to move up and the other part to move down, which causes the whole thing to spin. It is attached to something called a split ring commutator which is a clever way of swapping the contacts every half turn to keep it moving in the same direction. You can make the motor go faster by either increasing the current or by using a stronger magnetic field. So next time you use your hair dryer, you’ll know something more about the way it spins. References: \u003ca href='http://www.bbc.co.uk/education/subjects/zrkw2hv' target='_blank' rel='nofollow'\u003e1.\u003c/a\u003e 2. 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