Question

A dc series motor when connected across an ac supply will torque

Answer 1

I also feel the answer is same as above answered

Answer 2

Answer:

develop torque in the same direction

Explanation:

f a DC series motor is connected to a ac supply same current will flow through the series field and armature field after being rectified by the commutator. So, the machine will run but with high sparking at brush, poor pf, low speed and low efficiency.