All Questions
Tagged with electric-field ohms-law
3 questions
0
votes
1
answer
63
views
How to determine the collector current limiting resistors for the Darlington's pair of transistors?
How were the resistors in the circuit calculated?, I would like to come up with a similar circuit but for a 5VDC power supply, and I would like to resize the resistors as per my load requirement, my ...
- 11
2
votes
0
answers
138
views
Finding resistance between two conductors
For my electromagnetic-field class we are asked to calculate resistance between two electrodes shown as below.
The part c(i) is just a simple resistance question using the formula R=pl/a.
I don't ...
- 21
13
votes
3
answers
7k
views
Is the electric field in a wire constant?
If \$V=I\cdot R\$ according to Ohm's Law, that implies that \$\frac{\mathrm dV}{ \mathrm dx} = \frac{I \rho}A\$ across an infinitesimal length of conductor, which is constant at all points along the ...
- 159