If a cylindrical rotor synchronous generator, is connected to

if-a-cylindrical-rotor-synchronous-generator-is-connected-to

If a cylindrical rotor synchronous generator, is connected to the IBB, if the field is made zero, then it behaves as ____________

A. induction generator for a short time

B. induction motor

C. synchronous motor

D. synchronous generator

The question was posed to me by my college director while I was bunking the class.

This question is from Measurement of Xd and Xq topic in portion Synchronous Machines of Electrical Machines

Right option is B. induction motor

To explain I would say: It will act as induction motor as there will be difference in the speed.