Ammeter - Wikipedia
Ammeter from the old New York Penn Station terminal service plant in New York City. The relation between electric current, magnetic fields and physical forces was first noted by Hans Christian Ørsted in 1820, who observed a compass needle was deflected from pointing North when a current flowed in an adjacent wire. The tangent galvanometer was used to measure currents using this effect, where ...
Ammeter | Definition, Types, Symbol, & Facts | Britannica
Ammeter, instrument for measuring either direct (DC) or alternating (AC) electric current, in amperes. An ammeter can measure a wide range of current values because at high values only a small portion of the current is directed through the meter mechanism; a shunt in …
Ammeter Working Principle and Types of Ammeter - Electrical4U
2012年2月24日 · Key learnings: Ammeter Definition: An ammeter is defined as a device that measures the electric current in a circuit in amperes.; Working Principle of Ammeter: Ammeters must have low resistance and inductive reactance to minimize voltage drop and power loss, and they are connected in series to measure current accurately.; Permanent Magnet Moving Coil (PMMC) Ammeter: This type of ammeter uses ...
amperemeter - 百度百科
amperemeter，英语单词，主要用作名词，作名词时译为“[电] 电流计，安培表”。
AMMETER中文(简体)翻译：剑桥词典 - Cambridge Dictionary
ammeter翻译：安培计，电流表。了解更多。
Strommessgerät – Wikipedia
Ein Strommessgerät, auch als Strommesser, umgangssprachlich auch als Amperemeter und im englischen Sprachraum verkürzt als Ammeter bezeichnet, ist ein Messgerät zur Messung der elektrischen Stromstärke. Es zählt zu dem Bereich der elektrischen Messtechnik. Bei der Messung wird die Messgröße in eine Anzeige ihres Vielfachen der Einheit ...
How to Use an Ammeter: 10 Steps (with Pictures) - wikiHow
2024年7月14日 · Break the circuit. But before you do, make sure the power is off and all batteries are removed to prevent getting zapped. Now you need to create a break in the wiring between the negative ( - ) terminal of the power source and the power input for the item receiving power.
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Amazon.com: Ammeter
10 Pcs 0.28 Digital Voltmeter Ammeter 100V 10A Volt Amp Meter Current Voltage Tester with Connect Wires Red Blue Dual LED Multimeter Display Panel for Christmas Lights Battery Electricity Monitor
Amazon.com: Analog Amp Meter
Baomain Ammeter DH-670 AC 0-10A Rectangular Ampere Needle Panel Meter Gauge Amperemeter