ilar electrode is placed at a di ether using a bonding wire of m
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter12: Electronic Control Devices
Section: Chapter Questions
Problem 14RQ
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Question
![An earth electrode consisting of a round section metal pipe of 15 mm diameter is driven in to ground to
a depth of 5.3 m. The resistance of this electrode is required to be 30 Ohm with earth resistivity of 100
Ohm-m at this point. Find the effective earth resistance if a similar electrode is placed at a distance of
1.5 m from the first one when both the electrodes are bonded together using a bonding wire of negligible
resistance.
13L](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcd68d936-035b-4109-aaa1-97e9b063b3ab%2F11293594-94e8-472f-b570-cff016866419%2F7mead75_processed.jpeg&w=3840&q=75)
Transcribed Image Text:An earth electrode consisting of a round section metal pipe of 15 mm diameter is driven in to ground to
a depth of 5.3 m. The resistance of this electrode is required to be 30 Ohm with earth resistivity of 100
Ohm-m at this point. Find the effective earth resistance if a similar electrode is placed at a distance of
1.5 m from the first one when both the electrodes are bonded together using a bonding wire of negligible
resistance.
13L
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