How does a multimeter measure current
First insert the black test lead into the hole of the "COM" mark of the multimeter. If the current of the electrical appliance to be measured is relatively large, generally A level, insert the red test lead into the "10A" jack, and turn the knob to DC "10A" If the current of the electrical appliance to be measured is relatively small and at the mA level, insert the red test lead into the "mA" jack, and then turn the knob to the DC mA position. After adjustment, start measuring. String the multimeter into the circuit, maintain stable contact, read the measurement data from the display screen, and record it.
