QUESTION THREE A solenoid relay shown below is operated from a 110 V DC supply and the 5000-tum coil resistance is 5.5kQ. The core diameter of the relay is 20 mm and the gap length is 1.5 mm, the armature being stationary. The gap faces may be taken as parallel and the permeability of the ferromagnetic parts as very high. Estimate: i. the gap flux density; i. the coil inductance; the pull on the armature. 20 mm diameter 1.5 mm °
QUESTION THREE A solenoid relay shown below is operated from a 110 V DC supply and the 5000-tum coil resistance is 5.5kQ. The core diameter of the relay is 20 mm and the gap length is 1.5 mm, the armature being stationary. The gap faces may be taken as parallel and the permeability of the ferromagnetic parts as very high. Estimate: i. the gap flux density; i. the coil inductance; the pull on the armature. 20 mm diameter 1.5 mm °
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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![QUESTION THREE
A solenoid relay shown below is operated from a 110 V DC supply and the 5000-tum coil resistance is 5.5kQ.
The core diameter of the relay is 20 mm and the gap length is 1.5 mm, the armature being stationary. The
gap faces may be taken as parallel and the permeability of the ferromagnetic parts as very high. Estimate:
i.
the gap flux density;
i.
the coil inductance;
the pull on the armature.
20 mm diameter
1.5 mm
°](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd0cfbae4-db2b-455c-9cd3-01428417a472%2Fb35e8fc7-29c9-4016-bbf4-88e0ba4850f5%2Ft9ocg1n_processed.jpeg&w=3840&q=75)
Transcribed Image Text:QUESTION THREE
A solenoid relay shown below is operated from a 110 V DC supply and the 5000-tum coil resistance is 5.5kQ.
The core diameter of the relay is 20 mm and the gap length is 1.5 mm, the armature being stationary. The
gap faces may be taken as parallel and the permeability of the ferromagnetic parts as very high. Estimate:
i.
the gap flux density;
i.
the coil inductance;
the pull on the armature.
20 mm diameter
1.5 mm
°
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