Asked by help
A piece of wire with mass per unit length 88 g/m runs horizontally at right angles to a horizontal magnetic field. A 6.5A current in the wire results in its being suspended against gravity.
What is the magnetic field strength?
Express your answer using two significant figures.
B = T
What is the magnetic field strength?
Express your answer using two significant figures.
B = T
Answers
Answered by
bobpursley
force= mg= ILB
mg/IL = B
m/L is given as .088kg/meter
g is well known
I is given.
mg/IL = B
m/L is given as .088kg/meter
g is well known
I is given.
Answered by
Anonymous
Use the equation F=IL X B that relates force on a current in a magnetic field.
Knowing the mass of the wire (.08)kg and the acceleration due to grav (9.8m/s^2) relate the two forces and solve for the variable B.
Because the cross product of L and B is 1 the relation is pretty simple.
(9.8)(.08)=5.8B
Knowing the mass of the wire (.08)kg and the acceleration due to grav (9.8m/s^2) relate the two forces and solve for the variable B.
Because the cross product of L and B is 1 the relation is pretty simple.
(9.8)(.08)=5.8B
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