Current Electricity

Question: The resistivity of alloys $ = {R_{{\rm{alloy}}}}$; the resistivity of constituent metals $R_{\mathrm{metal}}$. Then, usually

1) ${R_{{\rm{alloy}}}} = {R_{{\rm{metal}}}}$

2) ${R_{{\rm{alloy}}}} < {R_{{\rm{metal}}}}$

3) There is no simple relation between R_{\mathrm{alloy}} and R_{\mathrm{metal}}

4) R_{\mathrm{alloy}}>R_{\mathrm{metal}}

Solution:

Explanation: No Explanation

Electric Conduction Ohm's Law Resistance

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