The magnetic field at one place on the ea surface is 55 μT in strength and tilted 60 from horizontal. A 230-turn, 4.5-cm-diam with a resistance of 2.00 2 is connected ballistic galvanometer, a device that mea total charge passing through. The coil is perpendicular to the field, then quickly rot so that the opposite side is facing the ma field.

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The magnetic field at one place on the earth's
surface is 55 µT strength and tilted 60° down
from horizontal. A 230-turn, 4.5-cm-diameter coil
with a resistance of 2.00 is connected to a
ballistic galvanometer, a device that measures the
total charge passing through. The coil is held
perpendicular to the field, then quickly rotated 180°
so that the opposite side is facing the magnetic
field.
Part A
Afterward, what does the galvanometer read?
Hint: Use I = dq/dt to relate the net change of flux to the amount of charge that flows through the
galvanometer.
Express your answer to two significant figures and include the appropriate units.
μA
?
Value
Units
Submit
Request Answer
Transcribed Image Text:The magnetic field at one place on the earth's surface is 55 µT strength and tilted 60° down from horizontal. A 230-turn, 4.5-cm-diameter coil with a resistance of 2.00 is connected to a ballistic galvanometer, a device that measures the total charge passing through. The coil is held perpendicular to the field, then quickly rotated 180° so that the opposite side is facing the magnetic field. Part A Afterward, what does the galvanometer read? Hint: Use I = dq/dt to relate the net change of flux to the amount of charge that flows through the galvanometer. Express your answer to two significant figures and include the appropriate units. μA ? Value Units Submit Request Answer
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