MCAT Question of the Day
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    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:
    		 

    A

    		 equal to 0.

    B

    		 equal to the voltage of the battery.

    C

    		 equal to the internal resistance of the battery.

    D

    		 undefined; the battery cannot pass current through the superconductor.



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