Respuesta :

Answer:

It could be the tension pen. It detects and mesure the tension within an electrical conductive circuit if the value of that si no less then 16 V and no more then 220V

Answer:

Voltmeter

Explanation:

A voltmeter is connected in parallel with a device to measure its voltage, while an ammeter is connected in a series with a device that measures the current. Hope this helps! :)