Question

name the devices used to measure electric current in ancient time ​

Answer 1

Answer:

Electric currents are measured in amperes (A), hence the name. Instruments used to measure smaller currents, in the milliampere or microampere range, are designated as milliammeters or microammeters. Early ammeters were laboratory instruments that relied on the Earth's magnetic field for operation.

Answer 2

Answer:

An ammeter is a device used to measure electric current

Explanation:

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