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Question / hand-held torch uses two 1.5-V batteries which together supply 4.7 kJ steadily to the bulb If the circuit resistance is 25 Ohms, how long will it take to completely drain the batteries?

Electrical Transformers and Rotating Machines

4th Edition

ISBN:9781305494817

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter10: Transformer Installation

Section: Chapter Questions

Problem 7RQ: What size conductor should be used to connect the primary of the transformer described in question...

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