Engineering, 25.08.2020 22:01 wasup00
A series motor runs at 1000 r. P.M. When the voltage is 415 V and the current is 30 A. The armature resistance is 0.5Ω and the series field resistance is 0.25 Ω. Determine the resistance to be connected in series to reduce the speed to 800 r. P.M with the same current.
Answers: 3
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If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.
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A series motor runs at 1000 r. P.M. When the voltage is 415 V and the current is 30 A. The armature...
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