什么叫欧姆定律？
["\u5728\u7535\u963b\u7535\u8def\u4e2d\uff0c\u7535\u6d41\u7684\u5927\u5c0f\u4e0e\u7535\u963b\u4e24\u7aef\u7684\u7535\u538b\u6210\u6b63\u6bd4\uff0c\u4e0e\u7535\u963b\u503c\u6210\u53cd\u6bd4\u3002"]
什么叫欧姆定律？
["\u5728\u7535\u963b\u7535\u8def\u4e2d\uff0c\u7535\u6d41\u7684\u5927\u5c0f\u4e0e\u7535\u963b\u4e24\u7aef\u7684\u7535\u538b\u6210\u6b63\u6bd4\uff0c\u4e0e\u7535\u963b\u503c\u6210\u53cd\u6bd4\u3002"]