A 5 ohm resistor, a 10 ohm resistor, and an unknown resistor are all wired in parallel with a 6 V DC power source. An ammeter measures the current through the source at 3A.

What is the equivalent resistance of the circuit?

What is the resistance of the unknown resistor?

What is the current through each of the other resistors?

What is the voltage across each resistor?

How many electrons flow through the 5 ohm resistor each second?

Fantastic! That was extremely helpful. I just have one question: how did you get 30 as the denominator in solving for the equivalent resistance of the circuit? I thought 3(5)+10/10(5)=25/50=1/2.