Microwave devices and circuits ,, Help please

Thread Starter


Joined Dec 23, 2010
hello guys
i have a problem with solving this problem and i reached something which i upleaded and i want to know .. the first speed is a real value but after the voltage changed the second speed has 90 degree angle so will the electron change it's way and never hit any of the plates ?? and whats the answer to the second part even though i thought it will never hit any of them .. and thanks