基本概念

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                    <p style="text-align: center;"><strong><span style="color: rgb(255, 79, 121);">电流</span></strong><br  /></p><p style="text-align: center;"><strong><img class="" data-ratio="0.3736951983298539" data-s="300,640" src="http://mmbiz.qpic.cn/mmbiz_png/LKgI6UN8ElZiau59CCymCicsbEb7nE4AppUCCtRYibOVxBqahTSMEvAlNUDoUKc0rCdQwuY8KEBzOSiafd2QicnceIw/640?wx_fmt=png" data-type="png" data-w="479" style=""  /></strong></p><p style="text-align: center;"><strong><span style="color: rgb(255, 79, 121);">电压</span></strong></p><p style="text-align: center;"><strong><img class="" data-ratio="0.11486486486486487" data-s="300,640" src="http://mmbiz.qpic.cn/mmbiz_png/LKgI6UN8ElZiau59CCymCicsbEb7nE4AppR7SU8fHJMkG3UAbR5ux0YibiauJic7mzt2hOvnE0YFgjZ1wc5JynlZiaAQ/640?wx_fmt=png" data-type="png" data-w="592" style=""  /></strong></p><p style="text-align: center;"><strong><img class="" data-ratio="0.21890547263681592" data-s="300,640" src="http://mmbiz.qpic.cn/mmbiz_png/LKgI6UN8ElZiau59CCymCicsbEb7nE4AppzjiaftXUoDjpYHM2WyOeE1NMYzWy5tWdMCEoBsM8kKOqkGD9RTZUmoQ/640?wx_fmt=png" data-type="png" data-w="603" style=""  /></strong></p><p style="text-align: center;"><strong><img class="" data-ratio="0.42350332594235035" data-s="300,640" src="http://mmbiz.qpic.cn/mmbiz_png/LKgI6UN8ElZiau59CCymCicsbEb7nE4ApppibP0tLRFiamDIEA3Laws2eklbXb9BF20mb8zdjEtRbumQJzAcwvEiaeg/640?wx_fmt=png" data-type="png" data-w="451" style=""  /></strong></p><p style="text-align: center;"><strong><span style="color: rgb(255, 79, 121);">电阻</span></strong></p><p style="text-align: center;"><strong><img class="" data-ratio="0.5671641791044776" data-s="300,640" src="http://mmbiz.qpic.cn/mmbiz_png/LKgI6UN8ElZiau59CCymCicsbEb7nE4AppUdF0TZl0CKkVZRHGY23qZfeaq35L6upQmg25oKcYd3mTOdYfRIUHkw/640?wx_fmt=png" data-type="png" data-w="603" style=""  /></strong></p><p style="text-align: center;"><strong><span style="color: rgb(255, 79, 121);">直流电源</span></strong></p><p style="text-align: center;"><strong><img class="" data-ratio="0.3951890034364261" data-s="300,640" src="http://mmbiz.qpic.cn/mmbiz_png/LKgI6UN8ElZiau59CCymCicsbEb7nE4App02ESibBobibOjdU5lGDAOMiaSib0sEkIYKZZGjTKBr9qfDLxen1YCvbWaA/640?wx_fmt=png" data-type="png" data-w="582" style=""  /></strong></p><p style="text-align: center;"><br  /></p><p><img class="" data-ratio="0.16750418760469013" data-s="300,640" src="http://mmbiz.qpic.cn/mmbiz_png/LKgI6UN8ElZiau59CCymCicsbEb7nE4AppnbyHQ5eWAbibtND9shZ7MibVuTh56JjEttDenfBluWoVQ7Z0dfwsjm8w/640?wx_fmt=png" data-type="png" data-w="597" style=""  /></p><p><img class="" data-ratio="0.4035656401944895" data-s="300,640" src="http://mmbiz.qpic.cn/mmbiz_png/LKgI6UN8ElZiau59CCymCicsbEb7nE4AppDnb9foYKdRHddfsyYuhd14Jz43HwJK5KOSTxHVev5VicVadqI6lueQg/640?wx_fmt=png" data-type="png" data-w="617" style=""  /></p><p style="text-align: center;"><strong><span style="color: rgb(255, 79, 121);">电路</span></strong></p><p style="text-align: center;"><strong><span style="color: rgb(255, 79, 121);"></span></strong></p><p><img class="" data-ratio="0.6530944625407166" data-s="300,640" src="http://mmbiz.qpic.cn/mmbiz_png/LKgI6UN8ElZiau59CCymCicsbEb7nE4AppXzwWMiamuia2aOTZ9dfvdIm1Lw2PlqyCFKb3vUA7khKibCGElW3s53rSQ/640?wx_fmt=png" data-type="png" data-w="614" style=""  /></p><p style="text-align: center;"><strong><span style="color: rgb(255, 79, 121);"></span></strong></p><p><img class="" data-ratio="0.49324324324324326" data-s="300,640" src="http://mmbiz.qpic.cn/mmbiz_png/LKgI6UN8ElZiau59CCymCicsbEb7nE4AppnG18jJdAfc8BlaneV1x54YwZwIiaZ0hO0lk2UTpjcEfmmBwIKwib3QLQ/640?wx_fmt=png" data-type="png" data-w="592" style=""  /></p><p style="text-align: center;"><strong><span style="color: rgb(255, 79, 121);">欧姆定律</span></strong></p><p style="text-align: center;"><strong><span style="color: rgb(255, 79, 121);"></span></strong></p><p><img class="" data-ratio="0.22750424448217318" data-s="300,640" src="http://mmbiz.qpic.cn/mmbiz_png/LKgI6UN8ElZiau59CCymCicsbEb7nE4App8kgfaAOhWwrCBMKkX2JtoVE7Niam8UpZNra320VnrrfEZFMkAmHeB4A/640?wx_fmt=png" data-type="png" data-w="589" style=""  /></p><p style="text-align: center;"><strong><span style="color: rgb(255, 79, 121);">正弦电压源</span></strong><br  /></p><p style="text-align: center;"><strong><span style="color: rgb(255, 79, 121);"></span></strong></p><p><img class="" data-ratio="0.9464285714285714" data-s="300,640" src="http://mmbiz.qpic.cn/mmbiz_png/LKgI6UN8ElZiau59CCymCicsbEb7nE4ApptmoCuyTqbrOtG8XFiaWMeqr6SbH7DG9mPmg5wBEJCcHemepicrWRezeg/640?wx_fmt=png" data-type="png" data-w="616" style=""  /></p><p><img class="" data-ratio="0.43111831442463533" data-s="300,640" src="http://mmbiz.qpic.cn/mmbiz_png/LKgI6UN8ElZiau59CCymCicsbEb7nE4App74DwjfOwIJiabicZ2QsQqCKKsUYRqVNJVpUeqGZicCj3sDSaibG8FCqugg/640?wx_fmt=png" data-type="png" data-w="617" style=""  /></p><p style="text-align: center;"><br  /></p><hr style="font-size: 16px;white-space: normal;max-width: 100%;color: rgb(62, 62, 62);background-color: rgb(255, 255, 255);box-sizing: border-box !important;word-wrap: break-word !important;"  /><hr style="font-size: 16px;white-space: normal;max-width: 100%;color: rgb(62, 62, 62);background-color: rgb(255, 255, 255);box-sizing: border-box !important;word-wrap: break-word !important;"  /><hr style="font-size: 16px;white-space: normal;max-width: 100%;color: rgb(62, 62, 62);background-color: rgb(255, 255, 255);box-sizing: border-box !important;word-wrap: break-word !important;"  /><hr style="font-size: 16px;white-space: normal;max-width: 100%;color: rgb(62, 62, 62);background-color: rgb(255, 255, 255);box-sizing: border-box !important;word-wrap: break-word !important;"  /><hr style="font-size: 16px;white-space: normal;max-width: 100%;color: rgb(62, 62, 62);background-color: rgb(255, 255, 255);box-sizing: border-box !important;word-wrap: break-word !important;"  /><hr style="font-size: 16px;white-space: normal;max-width: 100%;color: rgb(62, 62, 62);background-color: rgb(255, 255, 255);box-sizing: border-box !important;word-wrap: break-word !important;"  /><hr style="font-size: 16px;white-space: normal;max-width: 100%;color: rgb(62, 62, 62);background-color: rgb(255, 255, 255);box-sizing: border-box !important;word-wrap: break-word !important;"  /><hr style="font-size: 16px;white-space: normal;max-width: 100%;color: rgb(62, 62, 62);background-color: rgb(255, 255, 255);box-sizing: border-box !important;word-wrap: break-word !important;"  /><hr style="font-size: 16px;white-space: normal;max-width: 100%;color: rgb(62, 62, 62);background-color: rgb(255, 255, 255);box-sizing: border-box !important;word-wrap: break-word !important;"  /><hr style="font-size: 16px;white-space: normal;max-width: 100%;color: rgb(62, 62, 62);background-color: rgb(255, 255, 255);box-sizing: border-box !important;word-wrap: break-word !important;"  /><hr style="font-size: 16px;white-space: normal;max-width: 100%;color: rgb(62, 62, 62);background-color: rgb(255, 255, 255);box-sizing: border-box !important;word-wrap: break-word !important;"  /><hr style="font-size: 16px;white-space: normal;max-width: 100%;color: rgb(62, 62, 62);background-color: rgb(255, 255, 255);box-sizing: border-box !important;word-wrap: break-word !important;"  /><hr style="font-size: 16px;white-space: normal;max-width: 100%;color: rgb(62, 62, 62);background-color: rgb(255, 255, 255);box-sizing: border-box !important;word-wrap: break-word !important;"  /><hr style="font-size: 16px;white-space: normal;max-width: 100%;color: rgb(62, 62, 62);background-color: rgb(255, 255, 255);box-sizing: border-box !important;word-wrap: break-word !important;"  /><hr style="font-size: 16px;white-space: normal;max-width: 100%;color: rgb(62, 62, 62);background-color: rgb(255, 255, 255);box-sizing: border-box !important;word-wrap: break-word !important;"  /><hr style="font-size: 16px;white-space: normal;max-width: 100%;color: rgb(62, 62, 62);background-color: rgb(255, 255, 255);box-sizing: border-box !important;word-wrap: break-word !important;"  /><p style="font-size: 16px;white-space: normal;max-width: 100%;min-height: 1em;color: rgb(62, 62, 62);background-color: rgb(255, 255, 255);box-sizing: border-box !important;word-wrap: break-word !important;"><span style="max-width: 100%;line-height: 25.6px;color: rgb(0, 128, 255);box-sizing: border-box !important;word-wrap: break-word !important;">请扫描下面二维码，关注该微信公众号，获取更多</span><span style="max-width: 100%;line-height: 25.6px;color: rgb(255, 41, 65);box-sizing: border-box !important;word-wrap: break-word !important;"><strong style="max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;">生物医学工程</strong>专业及<strong style="max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;">医工</strong><span style="max-width: 100%;line-height: 25.6px;color: rgb(0, 128, 255);box-sizing: border-box !important;word-wrap: break-word !important;">学习笔记</span>：</span><span style="max-width: 100%;color: rgb(0, 0, 0);box-sizing: border-box !important;word-wrap: break-word !important;"></span></p><p style="font-size: 16px;white-space: normal;max-width: 100%;min-height: 1em;color: rgb(62, 62, 62);line-height: 25.6px;background-color: rgb(255, 255, 255);box-sizing: border-box !important;word-wrap: break-word !important;"><span style="max-width: 100%;line-height: 25.6px;color: rgb(255, 41, 65);box-sizing: border-box !important;word-wrap: break-word !important;"></span></p><p style="font-size: 16px;white-space: normal;max-width: 100%;min-height: 1em;color: rgb(62, 62, 62);line-height: 25.6px;text-align: center;background-color: rgb(255, 255, 255);box-sizing: border-box !important;word-wrap: break-word !important;"><img class="" data-ratio="1" data-s="300,640" src="http://mmbiz.qpic.cn/mmbiz_jpg/LKgI6UN8ElZnh0jXF3PjbBz7BBPnYH7wbDgfc3E2r7REMuN2lQqfuVM38HZO8Zx0rN0OLKywrjoH3P7QqDY44Q/640?wx_fmt=jpeg" data-type="jpeg" data-w="430" width="auto" style="box-sizing: border-box !important;word-wrap: break-word !important;visibility: visible !important;width: auto !important;"  /></p><p><br  /></p><p><br  /></p>