What voltage should the battery supplying each coil have

Reference no: EM13981632

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.

1251_Migrating birds.gif

(a) If the identical coils have radii of 1.21 cm and are 2.32 cm apart, with 30 turns of wire apiece, what current should they both carry to produce a magnetic field of 4.00 multiply.gif 10-5 T halfway between them?

(b) If the resistance of each coil is 215 ?, what voltage should the battery supplying each coil have?

Reference no: EM13981632

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