30. A wooden board of 30cm X15cm X 2cm is to be heated from 30°C to 180°C in 10 minutes by dielectric heating using 40MHZ supply. Specific heat of wood is 0.35 and density 0.55gm/ccm, relative permeability = 5 and power factor 0.05. Estimate the voltage across specimen and current during heating. Assume efficiency as 90%.

30. A wooden board of 30cm X15cm X 2cm is to be heated from 30°C to 180°C in 10 minutes by dielectric heating using 40MHZ supply. Specific heat of wood is 0.35 and density 0.55gm/ccm, relative permeability = 5 and power factor 0.05. Estimate the voltage across specimen and current during heating. Assume efficiency as 90%.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter29: Dc Generators

Section: Chapter Questions

Problem 1PA: You are working as an electrician in a large steel manufacturing plant, and you are in the process...

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