A closely wound, circular coil with radius 2.50 cm has 800 turns. Part A What must the current in the coll be if the magnetic field at the center of the coil is 0.0770 T? Express your answer to three significant figures and include the appropriate units. I= Value Submit HA Part B Request Answer Units ? At what distance from the center of the coil, on the axis of the coll, is the magnetic field half its value at the cent Express your answer to three significant figures and include the appropriate units.
A closely wound, circular coil with radius 2.50 cm has 800 turns. Part A What must the current in the coll be if the magnetic field at the center of the coil is 0.0770 T? Express your answer to three significant figures and include the appropriate units. I= Value Submit HA Part B Request Answer Units ? At what distance from the center of the coil, on the axis of the coll, is the magnetic field half its value at the cent Express your answer to three significant figures and include the appropriate units.
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answer a and b with typing answer
Transcribed Image Text:A closely wound, circular coil with radius 2.50 cm has 800 turns.
Y Part A
What must the current in the coll be if the magnetic field at the center of the coil is 0.0770 T?
Express your answer to three significant figures and include the appropriate units.
I= Value
Submit
Part B
μÀ
PW
Request Answer
At what distance z from the center of the coil, on the axis of the coll, is the magnetic field half its value at the center
Express your answer to three significant figures and include the appropriate units.
HA
Value
Units
→
BED ?
Units
?
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