Which of the above statements are correct?
A. (ii), (iv)
B. (i), (iii)
C. (ii), (iii)
D. (i), (iv)
Answer:A
Which of the above statements are correct?
A. (ii), (iv) B. (i), (iii) C. (ii), (iii) D. (i), (iv)
Explanation: fe=-(∂Wfld (φ,x))/∂x and fe= (∂Wfld1(F,x))/∂x.