List two ways in which ambient light is rejected by a photoelectric system.

What will be an ideal response?


Use a polarized filter.
Modulate the transistor.

Trades & Technology

You might also like to view...

Drill bits for iron and steel are properly ground to a _____ degree angle.

What will be an ideal response?

Trades & Technology

Define the purpose of an applied science, and give some examples

What will be an ideal response?

Trades & Technology

Calculate the Fourier coefficients for the function in Fig. 17.60.

Trades & Technology

Which instrument should be used to verify that there is power available to run a three-phase motor that will

not start? a. Clamp-on ammeter b. Megger® c. Ohmmeter d. Voltage tester

Trades & Technology