in studies of the possibility of migrating birds using the Earth's magnetic field for navigation, birds have been fitted with coils as "caps" and "collars" as shown in the figure below. (a) If the identical coils have radii of 1.14 cm and are 2.11 cm apart, with 59 turns of wire apiece, what current should they both carry to produce a magnetic field of 4.70 x 10-5 T halfway between them? mA (b) If the resistance of each coil is 235 N, what voltage should the battery supplying each coil have?
in studies of the possibility of migrating birds using the Earth's magnetic field for navigation, birds have been fitted with coils as "caps" and "collars" as shown in the figure below. (a) If the identical coils have radii of 1.14 cm and are 2.11 cm apart, with 59 turns of wire apiece, what current should they both carry to produce a magnetic field of 4.70 x 10-5 T halfway between them? mA (b) If the resistance of each coil is 235 N, what voltage should the battery supplying each coil have?
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![In studies of the possibility of migrating birds using the Earth's magnetic field for navigation, birds have been fitted with coils as "caps" and "collars" as shown in the figure below.
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(a) If the identical coils have radii of 1.14 cm and are 2.11 cm apart, with 59 turns of wire apiece, what current should they both carry to produce a magnetic field of \(4.70 \times 10^{-5}\) T halfway between them?
\[\_\_\_\_] \, \text{mA}
(b) If the resistance of each coil is 235 \(\Omega\), what voltage should the battery supplying each coil have?
\[\_\_\_\_] \, \text{V}
(c) What power is delivered to each coil?
\[\_\_\_\_] \, \text{mW}
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Explanation of Diagram:
The diagram depicts a bird swimming in water with two coils—one around its head as a "cap" and another around its neck as a "collar." These coils are used in scientific research to explore how birds might use the Earth's magnetic field for navigation during migration.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F65e8876c-9cfb-4d00-b5f3-6286bfdc9996%2F99060bc7-b3db-49c9-b63d-3f82273c1148%2F4vadxe_processed.png&w=3840&q=75)
Transcribed Image Text:In studies of the possibility of migrating birds using the Earth's magnetic field for navigation, birds have been fitted with coils as "caps" and "collars" as shown in the figure below.
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(a) If the identical coils have radii of 1.14 cm and are 2.11 cm apart, with 59 turns of wire apiece, what current should they both carry to produce a magnetic field of \(4.70 \times 10^{-5}\) T halfway between them?
\[\_\_\_\_] \, \text{mA}
(b) If the resistance of each coil is 235 \(\Omega\), what voltage should the battery supplying each coil have?
\[\_\_\_\_] \, \text{V}
(c) What power is delivered to each coil?
\[\_\_\_\_] \, \text{mW}
---
Explanation of Diagram:
The diagram depicts a bird swimming in water with two coils—one around its head as a "cap" and another around its neck as a "collar." These coils are used in scientific research to explore how birds might use the Earth's magnetic field for navigation during migration.
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