In lab, you will measure the magnetic field with a magnetic field sensor that us
ID: 1453018 • Letter: I
Question
In lab, you will measure the magnetic field with a magnetic field sensor that uses the Hall effect. The Hall emf is
a. inversely proportional to the magnetic field strength
inversely proportional to the square of the magnetic field strength
proportional to the magnetic field strength
proportional to the square of the magnetic field strength
a. inversely proportional to the magnetic field strength
b.inversely proportional to the square of the magnetic field strength
c.proportional to the magnetic field strength
d.proportional to the square of the magnetic field strength
Explanation / Answer
Hall Effect:
Hall emf : VH = I B / (q n d )
henc VH is directly propotional to magnetic field strength.
ANs(c)
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