Instrumentation amplifiers accurately output the difference ...

[NClaborn]

Instrumentation amplifiers accurately output the difference between the inputs providing common-mode rejection.
 
  Indicate whether the statement is true or false

Question 2

Light is alternately passed and blocked to the light sensor as the optical encoder disk rotates.
 
  Indicate whether the statement is true or false

[Anton]

Answer to Question 1

TRUE

Answer to Question 2

TRUE

[NClaborn]

Thanks for the timely response, appreciate it

[dyrone]

Great answer, keep it coming