Mohan
6.1 (replace ia = 10 A with ia = 9 A, and replace wm = 100 rad/s with wm = 80 rad/s)
6.2
6.3
6.4 (typo: instead of LaTeX: B_r = \hat{B} \cos (\theta) B r = B ^ cos ( θ ) it should be LaTeX: B_r = \hat{B} \cos (\alpha) B r = B ^ cos ( α ) )
6.6 (replace kf = 1500 with kf = 1300)
Supplemental
A three phase motor is connected to a line-line voltage of 480 V (RMS). Each phase is drawing 10 A (RMS). The power factor is 0.8 lagging. The motor efficiency is 92%. What is the mechanical power (torque times speed) output?