Measuring magnetic field of a solenoid

AI Thread Summary
To measure the magnetic field in a solenoid, a common method involves using a Hall Probe, which measures the magnetic field directly. A standard high school experiment can determine the magnetic field inside a solenoid but may have about a 10% error margin. For a school assignment, it's essential to understand the setup, including the orientation of the Hall bar, which should be aligned correctly with the solenoid's axis. Alternatively, an induction experiment can be designed to measure the induced EMF from a moving solenoid. Understanding these methods will help in accurately measuring the magnetic field.
Majid
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hi

I need an experiment to measure magnetic filed in a solenoid.
could anyone help me?
 
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Make a solenoid, crank it up to 50 Amps, and stick a probe in!
 
Is this a school assignment, or just personal interest? Is it something you want to actually carry out, or do you just want to know how it's done? THere are a couple of ways to do it; there is a "standard" high school experiment that determines the magnetic field inside a solenoid, but it has about 10% error.
 
Mk said:
Make a solenoid, crank it up to 50 Amps, and stick a probe in!
Typically the longitudinal direction of of the Hall bar in a Hall probe is parallel to the length of the probe. So, if you stick a probe into a solenoid, wouldn't the Hall bar be pointing the wrong way (along the axis of the solenoid) ?
 
Dear chi meson
This is a school assignment. can you explain that "standard" high school experiment that determines the magnetic field inside a solenoid?
Thank You.
 
Majid, you typically use a Hall Probe to measure B-fields. In the absence of a Hall Probe you could design an induction type experiment and measure the induced EMF due to a solenoid moving at some known rate.
 
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