Calculate the flux produced by the DC shunt field winding using the following data: Ia=5 A, IL=11, R=2, N=4.(a) 14 Wb(b) 12 Wb(c) 17 Wb(d) 18 WbI got this question during an online interview.My question is from Countercurrent Braking of DC Shunt Motors topic in chapter Braking of DC Motors & Induction Motors of Electric Drives

Calculate the flux produced by the DC shunt field winding using the fo

1.	Calculate the flux produced by the DC shunt field winding using the following data: Ia=5 A, IL=11, R=2, N=4.(a) 14 Wb(b) 12 Wb(c) 17 Wb(d) 18 WbI got this question during an online interview.My question is from Countercurrent Braking of DC Shunt Motors topic in chapter Braking of DC Motors & Induction Motors of Electric Drives
Answer» The CORRECT answer is (b) 12 WB To explain: In DC shunt motor, field windings are connected in parallel with the ARMATURE circuit. IF=IL-Ia=11-5=6 A. F=NIF=R∅. IF∝∅. ∅=F÷R=12 wb.

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