A step-up transformer connected to a 190 V line is used to supply a hydrogen-gas discharge tube with 5.6 kV (rms). The tube dissipates 78 W of power. (a) What is the ratio of the number of turns in the secondary winding to the number of turns in the primary winding? N. Np (b) What are the rms currents in the primary and secondary windings (in A)? Ip A Is = A (c) What is the effective resistance (in Q) seen by the 190 V source?

A step-up transformer connected to a 190 V line is used to supply a hydrogen-gas discharge tube with 5.6 kV (rms). The tube dissipates 78 W of power. (a) What is the ratio of the number of turns in the secondary winding to the number of turns in the primary winding? N. Np (b) What are the rms currents in the primary and secondary windings (in A)? Ip A Is = A (c) What is the effective resistance (in Q) seen by the 190 V source?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter15: Alternating-current Circuits

Section: Chapter Questions

Problem 45P: A step-up transformer connected to a 100-V line U used to supply a hydrogen-gas discharge tube with...

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