Assuming a fixed distance between parallel plates with a uniform field, and assuming unchanged Townsend's coefficients, the pressure is changed and the breakdown voltage is measured with the following results: At a pressure 680 torr the breakdown voltage is found to be 340 V. At a pressure 880 torr, the breakdown voltage is found to be 360 V. Answer the following: Find the value of the pressure for minimum breakdown voltage according to Paschen's law. Oa. 577.32 torr Ob. 573.32 torr Oc. 579.32 torr Od. 575.32 torr Find the value of the minimum breakdown voltage according to Paschen's law. Oa. 338.07 V Ob. 336.07 V Oc. 334.07 V Od. 340.07 V EE Committee لجنة الهندسة الكهربائية

Assuming a fixed distance between parallel plates with a uniform field, and assuming unchanged Townsend's coefficients, the pressure is changed and the breakdown voltage is measured with the following results: At a pressure 680 torr the breakdown voltage is found to be 340 V. At a pressure 880 torr, the breakdown voltage is found to be 360 V. Answer the following: Find the value of the pressure for minimum breakdown voltage according to Paschen's law. Oa. 577.32 torr Ob. 573.32 torr Oc. 579.32 torr Od. 575.32 torr Find the value of the minimum breakdown voltage according to Paschen's law. Oa. 338.07 V Ob. 336.07 V Oc. 334.07 V Od. 340.07 V EE Committee لجنة الهندسة الكهربائية

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.10P: A single-phase step-down transformer is rated 13MVA,66kV/11.5kV. With the 11.5 kV winding...

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