Which of the above statements are true?
A. (i),(iii)
B. (i),(ii)
C. (iii),(iv)
D. (i),(iv)
Answer:A
Which of the above statements are true?
A. (i),(iii) B. (i),(ii) C. (iii),(iv) D. (i),(iv)
Explanation: Te=1/2is2dLs/dθr+1/2ir2dLr/dθr+isirdMsr/dθr. 5.In a doubly excited magnetic systems, the magnetic torques and forces act in such a direction as to tend to