Keyword Analysis & Research: magnetic field density


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Does mass or density affect a magnetic field?

(FAQ - Mass & Density) Residual magnetism is a measure of a material's ability to generate its own magnetic field. This can similarly affect the sensing element of an electronic balance but will also interact with other magnetically permeable materials - possibly inducing residual magnetism in them or causing stray forces.

How do you measure magnetic field strength?

The strength of a magnet is most commonly measured using a magnetometer, also known as a gaussmeter, which are used to measure everything from the Earth’s magnetic field to small magnets. A magnetometer consists of a small conductor or semiconductor at the tip of a probe through which an electrical current is passed.

What is the magnetic energy density and its formula?

Key Points The formula for the energy stored in a magnetic field is E = 1/2 LI 2. The energy stored in a magnetic field is equal to the work needed to produce a current through the inductor. Energy is stored in a magnetic field. Energy density can be written as uB = B2 2μ u B = B 2 2 μ.

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