Qualification > Sciences
HAAARD physics P1 question pleaaase help
5aroofa:
I agree with Bassiouni. The cathode is the only part that gets heated to increase the average energy of the electrons, so that they spontaneously jump out. There is no need for the anode to be hot :)
Vin:
yup .. to complete a circuit ;)
Navigation
[0] Message Index
[*] Previous page
Go to full version