Answer:
I am not certain what you need, it is straight forward.
a. Figure open circuit voltage Vab. That seems easy...you have V3+V2 equal to Vs Remember V3 has two currents thru it, 20ma + the current due to Vs. Vab= V3
Next, find short circuit current, you have Iab=I2-20mA
given that, you can deduce the Thevelin equivalent directly.
No clue to be honest with ya buddy
Geothermal energy is the energy given off by lava or magma. And since it is heat energy inside the earth it makes sense that it would have an effect on the environment
