已知P=I^2R1+I^2R2+l^2R^3,当R1=5.83,R2=8.18,R3=5.99,l=16时,求P的值

问题描述:

已知P=I^2R1+I^2R2+l^2R^3,当R1=5.83,R2=8.18,R3=5.99,l=16时,求P的值

P=I^2R1+I^2R2+l^2R^3
=I²(R1+R2+R3)
=16²(5.83+8.18+5.99)
=256×20
=5120(W)
答:略.