Circuit not working Kindly explain

Status
Not open for further replies.

angy

Full Member level 3
Joined
Jul 9, 2008
Messages
151
Helped
5
Reputation
10
Reaction score
5
Trophy points
1,298
Activity points
2,341
Attach file contains Transistor circuit .At VF1 I am not getting any voltage when switch is closed But if I removed 510 E it works Why? Is their something wrong

 

There is never Ib in your circuit.
Before transistor E-C is conductive must there be small current E-B
Ic is on when Ib>0

 

Status
Not open for further replies.

Similar threads

Cookies are required to use this site. You must accept them to continue using the site. Learn more…