图示变压器,一次额定电压U1N=220V,—次额定电流I1N=11 A,二次额定电压U2N=600V。该变压器二次额定值I2N约为:
A.1A B.4A C.7A D.11A正确答案B
图示变压器,一次额定电压U1N=220V,—次额定电流I1N=11 A,二次额定电压U2N=600V。该变压器二次额定值I2N约为:
图示变压器,一次额定电压U1N=220V,—次额定电流I1N=11 A,二次额定电压U2N=600V。该变压器二次额定值I2N约为:
A.1A B.4A C.7A D.11A正确答案B