What Is the Usage of an Ammeter & a Voltmeter?

Answer Though not typically found in utilitarian commuter cars, some sports-oriented, high-performance and vintage autos feature ammeters and voltmeters as part of their in-dash display. Both ammeters and... Read More »

Top Q&A For: What Is the Usage of an Ammeter & a Voltmeter

What is an ammeter used for?

An ammeter measures electrical current in a circuit. The name "ammeter" was derived because electrical current is measured in amps. The number of external resistors in the ammeter determines the ra... Read More »

What is ammeter resistance?

Ammeters are used to measure electrical current flowing through them. They are connected in series with the current path they measure. The meter's internal resistance is important, because it is in... Read More »

What does an ammeter measure?

An ammeter measures electrical current, typically in amperes or amps, according to the Merriam Webster Dictionary. Sometimes called an electric current meter, the ammeter gets its name from a combi... Read More »

What does a 3.7v battery read on a voltmeter at full charge?

Lithium-ion rechargeable cells have a rating of 3.7 volts nominal. Hot off the charger, they should read approximately 4.2 volts on a voltmeter. Voltage may slump to as little as 4.0 volts after a ... Read More »