Unknown Voltage Source#

Part 1#

What is the internal resistance of a voltage source if its terminal potential drops by $${{ params.dV }}\rm\ V$$ when the current supplied increases by $${{ params.dI }}\rm\ A$$?

Answer Section#

Please enter a numeric value.

Part 2#

Can the emf of the voltage source be found with the information supplied?

pl-answer-panel#

$$R=$$ $$\rm\ \Omega$$

Attribution#

Problem is from the OpenStax University Physics Volume 2 textbook, licensed under the CC-BY 4.0 license.