R1 = 220 * 220 / 40 = 1210 欧姆R2 = 220 * 220 / 25 = 1936 欧姆 I = 220 / ( 1210 + 1936 ) = 0.07 安培 P1 = I^2 * R1 = 0.07^2 * 1210 = 5.93WP2 = I^2 * R2 = 0.07^2 * 1936 = 9.49W