What are the characteristics of the field...

Question 1 / 270705eccefa3bacbc34ba4d4807c

Question 1 of 270705eccefa3bacbc34ba4d4807c

What are the characteristics of the field winding of a shunt wound motor?

Question 1 of 27070

What are the characteristics of the field winding of a shunt wound motor?

🔍 Key Concepts

• Relationship between voltage, current, and number of turns in field windings • Difference between shunt-wound and series-wound DC motor field windings • How wire size (fine vs heavy) affects current-carrying capacity and resistance

💭 Think About

• For a shunt field, is the field winding connected across the full supply voltage or in series with the armature? How does that affect the needed resistance of the field winding? • If you want higher resistance in the field circuit at normal voltage but relatively low current, would you use many turns or few turns? Fine wire or heavy wire? • Think about which combination (many/few turns, fine/heavy wire) would create a winding with high resistance and moderate field current suitable for shunt connection.

✅ Before You Answer

• Confirm that in a shunt-wound motor, the field is connected in parallel with the armature (across the supply). • Check which option would result in a high-resistance field winding (needed to limit field current at full line voltage). • Verify which wire description (fine vs heavy) is normally used where current is relatively low but voltage is applied continuously.

Question 1 of 27070

What are the characteristics of the field winding of a shunt wound motor?

The shunt-field coils are wound with many turns of very fine wire.

The shunt-field coils are wound with only a few turns of very fine wire.

The shunt-field coils are wound with only a few turns of very heavy wire.

The shunt-field coils are wound with many turns of very heavy wire.

Question 1 / 270705eccefa3bacbc34ba4d4807c

Question 1 of 270705eccefa3bacbc34ba4d4807c

What are the characteristics of the field winding of a shunt wound motor?

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Question 1 of 27070

What are the characteristics of the field winding of a shunt wound motor?