Question

which is the device used to detect and measure small ecectric curent in circut​

Answer 1

Answer:

ammeter is the device which is used to detect and measure small electric current in circuit

Answer 2

An ammeter (from Ampere Meter) is a measuring instrument used to measure the current in a circuit. 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.