M Prep | MCAT 2015 Question of the Day - Prep, Practice Questions, and More!

Q:	Superconducting materials can pass current very efficiently and have a resistance of 0 Ω and therefore no voltage can be measured across a superconductor itself even when passing a current. If a superconducting wire were connected to a battery, the resistance of the circuit would be:

equal to 0.

equal to the voltage of the battery.

equal to the internal resistance of the battery.

undefined; the battery cannot pass current through the superconductor.