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A solenoid relay is operated from a DC supply. The gap forces may be taken as parallel and the permeability of the ferromagnetic paths as very high. The air gap length is 2mm. Determine the air gap area in cm^2 which produces an acting force upon the armature of 0.3997N ?   I need the answer as soon as possible

A solenoid relay is operated from a DC supply. The gap forces may be taken as parallel and the permeability of the ferromagnetic paths as very high. The air gap length is 2mm. Determine the air gap area in cm^2 which produces an acting force upon the armature of 0.3997N ?   I need the answer as soon as possible

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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A solenoid relay is operated from a DC supply. The gap forces may be taken as parallel and the permeability of the ferromagnetic paths as very high. The air gap length is 2mm.

Determine the air gap area in cm^2 which produces an acting force upon the armature of 0.3997N ?

 

I need the answer as soon as possible

 

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