The picture shows a battery connected to two wires in parallel. Both wires are m

Question

The picture shows a battery connected to two wires in parallel. Both wires are made of the same material and are of the same length, but the diameter of wire A is twice the diameter of wire B.

Choose Correct answer:
a) The current through wire B is one quarter as large as the current through wire A.
b) The current through wire B is equal as the current through wire A.
c) The current through wire B is four times as large as the current through wire A.
d) The current through wire B is twice as large as the current through wire A.
e) The current through wire B is half as large as the current through wire A.

Explanation / Answer

RB=4RA so a) The current through wire B is one quarter as large as the current through wire A

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