Question

The developed torque Td versus the armature current Ia characteristics of a DC series motor is

Answer 1

Answer:

We know that torque is directly proportional to the product of armature current and field flux, Ta ∝ ɸ. ... In DC series motors, field winding is connected in series with the armature, i.e. Ia = If. Therefore, before magnetic saturation of the field, flux ɸ is directly proportional to Ia.

Answer 2

Answer:

here's your answer

Explanation:

Following are the properties of series motor:

Low field winding resistance.

Thicker field winding with less no of turns.

High starting torque.

Low starting current.

Armature generally wave wound.

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