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Electronics Tutorial

Electronics for beginners

 
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Electronics Tutorial for Beginners

ABC of Electronics Offering free comprehensive basic electronics tutorial. In this Electronics Tutorial we have explained the basic electronic concepts. Here you can find 8051 Tutorials & 555 Timer Tutorials which are commonly used in electronics. Every effort is made to keep the website up and running smoothly

Voltmeter

voltmeter

Voltmeter is an instrument that measures voltages of either direct or alternating electric current on a scale usually graduated in volts, millivolts -0.001 volt, or kilovolts 1,000 volts.

It is an electronic instrument for the measurement of the electric potential difference between two conductors

An ideal voltmeter has infinite resistance: It is an open circuit. Actually it is very difficult to make a physical voltmeter with infinite resistance, therefore a well designed voltmeter exhibits a very large internal input resistance

Analog voltmeter consists of a sensitive galvanometer (current meter) in series with a high resistance

Digital voltmeter shows voltage directly as numerals

HOW TO MAKE AN AMMETER
 

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