计算题:某R,L串联电路,I=5A,P=400W,U=110V,f=50hz,求R,L值?
正确答案:
R=P/I2=400/52=16Ω
Z=U//I=110/5=22Ω
XL=Z2-R2=15Ω
L=XC/2πf=15/2×3.14×50=0.048H
R,L值分别为16Ω,0.048H
Z=U//I=110/5=22Ω
XL=Z2-R2=15Ω
L=XC/2πf=15/2×3.14×50=0.048H
R,L值分别为16Ω,0.048H
答案解析:有
微信扫一扫手机做题
计算题:某R,L串联电路,I=5A,P=400W,U=110V,f=50hz,求R,L值?
微信扫一扫手机做题