12. The four arms of a Wheatstone bridge have the following resistances; AB=100, BC-10, CD=4, DA = 50 ohms. A galvanometer of 20 ohms resistance is connected across BD. Calculate the current through the galvanometer when a potential difference of 10 volts is maintained across AC. (0.00513 A] [Elect. Tech. Lond. Univ.)
12. The four arms of a Wheatstone bridge have the following resistances; AB=100, BC-10, CD=4, DA = 50 ohms. A galvanometer of 20 ohms resistance is connected across BD. Calculate the current through the galvanometer when a potential difference of 10 volts is maintained across AC. (0.00513 A] [Elect. Tech. Lond. Univ.)
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
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Chapter12: Electronic Control Devices
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Question
![12. The four arms of a Wheatstone bridge have the following resistances; AB=100, BC=10, CD=4, DA
= 50 ohms.
A galvanometer of 20 ohms resistance is connected across BD. Calculate the current through the
galvanometer when a potential difference of 10 volts is maintained across AC.
[0.00513 A] [Elect. Tech. Lond. Univ.]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F60a2750d-49d8-4aec-8f02-69143652f70d%2Fb23fc4b3-7214-4f8f-80d7-54bbc5ffdf12%2Fhwsi10a_processed.jpeg&w=3840&q=75)
Transcribed Image Text:12. The four arms of a Wheatstone bridge have the following resistances; AB=100, BC=10, CD=4, DA
= 50 ohms.
A galvanometer of 20 ohms resistance is connected across BD. Calculate the current through the
galvanometer when a potential difference of 10 volts is maintained across AC.
[0.00513 A] [Elect. Tech. Lond. Univ.]
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