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     EduGorilla 
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    Copper and iron wires of same length and diameter are in series and connected across a battery. The resistivity of copper is about one-sixth of the iron. If E1 and E2 are the electric fields in the copper and iron wires respectively, then which of the following is correct?

    Options :-

    1. E1 < E2

    2. E1 = E2 ≠ 0

    3. E1 > E2

    4. E1 = E2 = 0 because electric field can not exist in metals

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