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When was first ECG machine invented?
in the 20th century The Heart's beat is caused by voltage changes in it's muscle fibres. The changes can be detected by a voltmeter. This electrical activity was first recorded by the Dutch physiologist William Einthoven in 1903 at Leyden University using a primitive galvanometer. To this day, the Electrocardiogram remains basically the same, despite many modifications. 1903 is when Einthoven invented the first Electrocardiograph!!
Who Invented laser guns?
the laser was invented.....
Who invented transformers?
Henry Orenstein invented transformers.
When were wind turbines invented?
The first wind turbine was invented in 1888. The fellow who invented it was Charles F. Brush.
Who invented cork boards?
bottle corks were invented in 1789.
What is the function of electrometer in separation of isotopes?
An electrometer is not used for the isotopic separation.
How will you show that electrons are negatively charged.name the instrument?
This instrument is the electrometer.
What equipment did Marie Curie use to discover polonium and radium?
She used an electrometer.
How do you determine pH o f solutions?
By a pH-electrometer (instrumental, accurate, expensive) or by 'pH indicator'-paperstrips
What is the device that detects electric charges?
An electrometer is a device that detects electric charges by measuring the voltage or current associated with the charges.
What function of electrometer in mass spectrometer?
In a mass spectrometer, the electrometer serves as a highly sensitive detector that measures the electric current produced when ions strike the detector surface. It converts the ion current into a measurable voltage, allowing for the quantification of ion abundance and thereby contributing to the identification and analysis of different isotopes or molecules. This precise measurement is crucial for determining the mass-to-charge ratio of ions, which is fundamental to the mass spectrometry process.
What the standard unit used to express a quantity of charges?
The unit of measurement for the quantity of an electrical charge is called an electrometer. The quantity of charge can also be measured in directly by a ballistic galvanmotere.
How do you download Keithley 6517A model 1994 electrometer high resistance meter download installation software?
To download the installation software for the Keithley 6517A model 1994 electrometer, visit the official Tektronix website, as Keithley is a part of Tektronix. Navigate to the "Support" or "Downloads" section and search for the 6517A model. You will typically find the software available for download along with the necessary documentation. Ensure that you select the correct version compatible with your operating system.
An electric charge can be detected by an instrument called?
An electric charge can be detected by an instrument called an electroscope. It works by using the principles of electrostatics to determine the presence and type of charge on an object.
What did Madame Curie invent?
Madame Curie did not invent anything, she discovered the elements polonium and radium, pioneering research on radioactivity. She was the first woman to win a Nobel Prize and remains the only person to have won Nobel Prizes in two different scientific fields.
How did Marie curie discover radioactive sustances?
In fact, Bequerel had first discovered radioactivity from uranium in 1896, by fogging of photographic plates. The Curies however used an electrometer which her husband had invented, and which reacted to ionisation in the air, which was produced by radioactivity. This enabled her to deduce that radioactivity came from the atoms of the substance, not some sort of chemical reaction. She went on to discover radium in pitchblende, which was the first knowledge of it, and a number of other achievements. See the link below for more information on her discoveries.
What does the acronym 'fide' stand for?
The acronym FIDE stands for many things. Some things the acronyms FIDE stands for are Foundation for Investment and Development of Exports, Flame-Ionization Detector Electrometer, Formally Integrated Data Environment and many more.
