[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 302
ent the proportional arms; erepresents that part of the wire from the bindingpost to end of the movement of the slider; d 500 ELECTRICITY AND ITS represents the range of the slider and c is meas-ured from e to b; x is of. course the resistance tobe measured. You must first determine the ran^e of… … Figure 3. X in this case being the higher limit of yourbridge. Besides determining the ratio b to a thisshows that the resistance d must be less than yourhigher limit or the bridge wont work. The mostsensitive point is of course where x is doubled.With this ratio we easily determine the value of…
Electricity
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