A copper wire of non-uniform area of cross section is connected to a dc battery. The physical quantity which remains constant along the wire is:
Electric potential
electric charge
electric field intensity
electric current
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Answer:
Yes! Here is your answer!
Explanation:
When a steady current flows in a metallic conductor of non uniform cross-section, the current flowing through the conductor is constant. Current density, electric field, and drift speed are inversely proportional to the area of cross-section. Therefore, they are not constant.
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