Tagged Questions
3
votes
0answers
189 views
Joule Thief - operation and the 'supercharged' version
I've made a joule thief, and it works fairly well, but not as well as I would like.
It's powering a 3.2v LED from a 1.2v battery, but it's very dim. I'm hoping increasing the voltage from the JT ...
1
vote
3answers
225 views
what is the magnitude of total voltage in the below circuit?
I was working on some RLC circuits and I found a question something like this.
In series RL circuit, \$V_R\$ = 4V and \$V_L\$ = 3V. what is the magnitude of total voltage ?
I just thought \$V_T\$ = ...
1
vote
2answers
1k views
Inductance and “kick back” voltages
I'm trying really hard to understand inductors and their related kick back voltage when the current is suddenly interrupted.
Example ascii art:
1 2
| |
+ ----- ~~~ --_-- -
...
