{"type":"multi-choice","id":"3057","dataJson":{"type":"multi-choice","slide_id":16267,"key":3057,"prompt":"\u003cp\u003eWhat are magnetic field lines?\u003c/p\u003e","validResponse":[3292],"use_data":false,"question_body":"","question_video_url":"","question_fileboy_image_id":"","options":[{"label":"the magnetic influence a magnet has on a place in space; it is highest at the poles","value":3291,"fileboyId":"7d22bee2-23da-4d9a-95ce-66cb92b99ca1"},{"label":"small shavings of iron produced by filing or a similar mechanical process","value":3295,"fileboyId":"83cb80ba-e94a-4ba2-b963-e9e73879bd47"},{"label":"a small compass that can be used to draw the magnetic field of a magnet","value":3294,"fileboyId":"157aa747-e978-4fbd-a15f-52ea7ae295b3"},{"label":"the region around a magnet which causes other magnetic materials to experience a force of attraction or repulsion","value":3293,"fileboyId":"c1647a19-ff84-4bee-814a-d222cf51b77b"},{"label":"lines used to indicate the direction and strength of a magnetic field at various points in space","value":3292,"fileboyId":"b81041d8-5808-4478-81d9-edd0e5c5ae01"}],"question_data":{"body":"The magnetic field that is produced by a magnet can be represented by magnetic field lines. Field lines are closer together at the poles of a magnet, and further apart at the sides. When the field lines are closer together, the magnetic field is stronger. ","video":null,"image_url":"https://www.developingexperts.com/file-cdn/images/get/d278c52b-4c9d-4fcb-978d-f97c6d4fac6e?transform=resize:800x600;format:webp;quality:80"},"limitChoices":{"min":1,"max":1}}}
What is a plotting compass?
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{"type":"multi-choice","id":"3055","dataJson":{"type":"multi-choice","slide_id":16270,"key":3055,"prompt":"\u003cp\u003eWhat is a plotting compass?\u003c/p\u003e","validResponse":[3294],"use_data":false,"question_body":"","question_video_url":"","question_fileboy_image_id":"","options":[{"label":"a small compass that can be used to draw the magnetic field of a magnet","value":3294,"fileboyId":"157aa747-e978-4fbd-a15f-52ea7ae295b3"},{"label":"small shavings of iron produced by filing or a similar mechanical process","value":3295,"fileboyId":"83cb80ba-e94a-4ba2-b963-e9e73879bd47"},{"label":"the magnetic influence a magnet has on a place in space; it is highest at the poles","value":3291,"fileboyId":"7d22bee2-23da-4d9a-95ce-66cb92b99ca1"},{"label":"the region around a magnet which causes other magnetic materials to experience a force of attraction or repulsion","value":3293,"fileboyId":"c1647a19-ff84-4bee-814a-d222cf51b77b"},{"label":"lines used to indicate the direction and strength of a magnetic field at various points in space","value":3292,"fileboyId":"b81041d8-5808-4478-81d9-edd0e5c5ae01"}],"question_data":{"body":"\nField lines can also be drawn using plotting compasses. The compass is placed at various points around the magnet and short lines are drawn to show the direction the compass points in. When there are enough short lines around the magnet, they can be joined together to show the field lines. ","video":null,"image_url":"https://www.developingexperts.com/file-cdn/images/get/9f6e7ff8-5929-418b-ac43-867108d590fd?transform=resize:800x600;format:webp;quality:80"},"limitChoices":{"min":1,"max":1}}}
What is a magnetic field?
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What does magnetic field strength mean?
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What are iron filings?
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{"type":"multi-choice","id":"3054","dataJson":{"type":"multi-choice","slide_id":16269,"key":3054,"prompt":"\u003cp\u003eWhat are iron filings?\u003c/p\u003e","validResponse":[3295],"use_data":false,"question_body":"","question_video_url":"","question_fileboy_image_id":"","options":[{"label":"the magnetic influence a magnet has on a place in space; it is highest at the poles","value":3291,"fileboyId":"7d22bee2-23da-4d9a-95ce-66cb92b99ca1"},{"label":"small shavings of iron produced by filing or a similar mechanical process","value":3295,"fileboyId":"83cb80ba-e94a-4ba2-b963-e9e73879bd47"},{"label":"a small compass that can be used to draw the magnetic field of a magnet","value":3294,"fileboyId":"157aa747-e978-4fbd-a15f-52ea7ae295b3"},{"label":"lines used to indicate the direction and strength of a magnetic field at various points in space","value":3292,"fileboyId":"b81041d8-5808-4478-81d9-edd0e5c5ae01"},{"label":"the region around a magnet which causes other magnetic materials to experience a force of attraction or repulsion","value":3293,"fileboyId":"c1647a19-ff84-4bee-814a-d222cf51b77b"}],"question_data":{"body":"Magnetic field lines can be visualised using iron filings. The filings are dropped on a surface near the magnet and the magnetism of the iron filings naturally creates patterns showing the field lines.\n","video":null,"image_url":"https://www.developingexperts.com/file-cdn/images/get/dca72ad5-2f07-4810-8f3b-4b0c1685749a?transform=resize:800x600;format:webp;quality:80"},"limitChoices":{"min":1,"max":1}}}
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