MIME-Version: 1.0 Content-Type: multipart/related; boundary="----=_NextPart_01C8803E.70CBEF00" This document is a Single File Web Page, also known as a Web Archive file. If you are seeing this message, your browser or editor doesn't support Web Archive files. Please download a browser that supports Web Archive, such as Windows® Internet Explorer®. ------=_NextPart_01C8803E.70CBEF00 Content-Location: file:///C:/8B1394C9/BusingaCurrentBalance(DCPCE).htm Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="us-ascii" To Use a Current Balance to Verify the Equation "F =3D B x I x l"

Current Balance to Find the Magnetic Field Strength Between Magnets=

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In this IB Lab you will be assessed on the following criteria

 

Data Collection a= nd Processing

Conclusion and Evaluation

 

Apparatus:

2 Magn= adur magnets and a yoke, digital ammeter, leads, conducting rods, crocodile clips variable = d.c. power supply, an electronic mass balance, Hall probe.

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Diagram:

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Method:

Set up= the apparatus as shown and set the mass balance to zero when there is no current flowing through the coil. The mass reading when there is current flowing wi= ll be proportional to the force on the coil.

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Data Collection and Processing:

·      =    Collect results for Mass and Current including units and uncertainties.

·      =    Present these data clearly.<= /span>

·      =    Process your raw data in a way which wi= ll allow you to accurately calculate the value of the magnetic field strength, B.=

 

Conclusion and Evaluation:

·      =    Give a conclusion and explanation of yo= ur results; compare the value of field strength you have measured to the one measured with the Hall Probe.

·      =    Evaluate the above procedure (method) a= nd apparatus used, including limitations and weaknesses.

·      =    Suggest ways of improving the investigation.<= /o:p>

·      =    Were any results obviously wrong? How w= ill you deal with these?

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