Answered: reluctance of 10 cm diameter silicon…

Engineering

Electrical Engineering

reluctance of 10 cm diameter silicon steel

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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Concept explainers

DC Generator

An electromechanical machine which converts input mechanical energy to respective output electric energy is called a generator.

Question

1. What is the reluctance of 10 cm diameter silicon steel of 2500 permeability with a mean length of 20 cm?

A. 0.000201 cgs

B. 0.000102 cgs

C. 0.000212 cgs

D. 0.000123 cgs

2. At what rate the flux must be varied to measure 12 V across the terminal of 300 turns coil?

A. 0.05 Wb/s

B. 0.04 Wb/s

C. 0.03 Wb/s

D 0.02 Wb/s

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