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Automated shimming on Bruker instruments without deuterium
Automated shimming on Bruker instruments without deuterium

... 3. reading in a standard shim file, followed by z1-z3 tune shim 4. all shims set to zero, then topshim z1-z5 Shimming all the z-shims from 1 to 5 gives the best results. This is easily done with gradshim or topshim, but it takes a rather long time with tune. Shimming only z1-z3 (which can reasonable ...
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Analyzing Magnetic Fields with Solenoids - Physics

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Resistors: In Series - McMaster University

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“In parallel” means A] both resistors necessarily have the same
“In parallel” means A] both resistors necessarily have the same

... Keep in mind: current CAN flow through a battery either direction. If it flows from the - end to the + end, the battery is discharging: chemical energy is changing into electrical energy (electrical power added P= IV). If it flows the other way, the battery is charging: in this case, something else ...
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Magnetizer System - IEA

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Experiment 3 ~ Ohm`s Law, Measurement of Voltage
Experiment 3 ~ Ohm`s Law, Measurement of Voltage

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Galvanometer



A galvanometer is a type of sensitive ammeter: an instrument for detecting electric current. It is an analog electromechanical actuator that produces a rotary deflection of some type of pointer in response to electric current through its coil in a magnetic field.Galvanometers were the first instruments used to detect and measure electric currents. Sensitive galvanometers were used to detect signals from long submarine cables, and to discover the electrical activity of the heart and brain. Some galvanometers use a solid pointer on a scale to show measurements; other very sensitive types use a miniature mirror and a beam of light to provide mechanical amplification of low-level signals. Initially a laboratory instrument relying on the Earth's own magnetic field to provide restoring force for the pointer, galvanometers were developed into compact, rugged, sensitive portable instruments essential to the development of electrotechnology. A type of galvanometer that records measurements permanently is the chart recorder. The term has expanded to include use of the same mechanism in recording, positioning, and servomechanism equipment.
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