Technician A says a that a voltmeter can be used to monitor the ...

[tatyanajohnson]

Technician A says a that a voltmeter can be used to monitor the output signal of an optical sensor. Technician B says that optical sensors should be tested with an oscilloscope because of the sensor's speed. Which technician is correct?
◦ Technician A only
◦ Technician B only
◦ Both technicians A and B
◦ Neither technician A nor B

[emsimon14]

Technician B only

[tatyanajohnson]

YES! Correct, THANKS for helping me on my review

[dyrone]

Thanks for the timely response, appreciate it