来自金纯的问题
请问电学里E[v]有相关的公式也要我找到了是电动势(electromotiveforce(emf))E=W/q(E为电动势)E=U+Ir=IR+Ir(U为外电路电压,r电源内阻,R为外电路电阻集总参数)
请问电学里E[v]有相关的公式也要
我找到了是电动势(electromotiveforce(emf))E=W/q(E为电动势)E=U+Ir=IR+Ir(U为外电路电压,r电源内阻,R为外电路电阻集总参数)
1回答
2020-02-04 20:56