• 2021-04-14
    自感为的线圈中,当电流在内由均匀减小到零时,线圈中自感电动势的大小为:468de04782d8fcdd3807f8b084aff980.png5d81b4ad8daa2dda0cb920a9e2c4188b.png23a6fa2e9a3db2808c6e69e53d7239c8.png