A. Df + Bf = Wf
B. Df = Bf + Wf
C. Df + Bf + Wf =0
D. None of these
Correct Answer: Df + Bf = Wf ✔
Last Updated: March 09, 2019
A. Df + Bf = Wf
B. Df = Bf + Wf
C. Df + Bf + Wf =0
D. None of these
Correct Answer: Df + Bf = Wf ✔
Last Updated: March 09, 2019