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To meter is to measure. A voltmeter is so called because it measures volts.
An Italian scientist named Galvani was dissecting a dead frog, and noticed the muscles twitching each time he touched them with a metal scalpel. He reported this observation. Another Italian scientist named Volta read the report and started investigations which led him to the invention of the electric cell and electric battery. The volt is named in his honour. (Galvani is commemorated by galvanometer, galvanism and galvanise.)
So, a voltmeter is called that because an Italian got curious about what another Italian noticed.
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What is the voltmeter reading this time?
positive terminal
What is the use of the oscilloscope?
If you use a voltmeter to observe a voltage, it can only respond slowly, so if you want to observe a voltage that changes in fractions of a microsecond, you need a voltmeter that can respond at such speeds. It is called an oscilloscope.
What happens when a voltmeter is connected in series with load?
when we connected voltmeter in series it takes large current and voltage and the resistance is considerably decreases.this is why we had connected voltmeter in series combination.
Concept of ac voltmeter?
Red wire from a regular DC voltmeter should be connected to :
How should a ammeter and voltmeter be connected in circuit?
Ammeter is coneccted in series with circuit but Voltmeter is connected in parallel.
What are the lines called on the voltmeter?
Lines of cocaine
Voltmeter in series?
No. Voltmeter in parallel. Ammeter in series.
What is a dc voltmeter?
It is a voltmeter which can only measure direct current.
What does a voltmeter measure voltage in?
A voltmeter measures voltage in volts.
Which type digital voltmeter is the of fatest all digital voltmeter?
You mean fastest? Digital voltmeter gives reading in seconds.
What is digital thermometer?
the special purpose digital voltmeter are devloped for measurement of temperatur. They are called as the digital thermometer .
What is the voltmeter reading this time?
positive terminal
What is the purpose of a voltmeter in a circuit?
the purpose of a voltmeter is used to measure voltage in a circuit
What is voltmeter?
A voltmeter is a measuring instrument that is used in the measurement of the electric potential in volts.
Why there is an extension range of voltmeter when a series resistance not equal to voltmeter is used?
why is extention
What is a sentence for voltmeter?
A voltmeter is a device used to measure the voltage in an electrical circuit. An example sentence would be: She went to the hardware store to purchase a voltmeter.
How does a electrodynamometer work as a voltmeter?
An electrodynamometer can work as a voltmeter by judging the wavelength and force of the electricity, much the same at the voltmeter, then converting it to a force that is more recognizable.
