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Use the data in Table 12.2 to answer the following -(a) Which among iron and mercury is better conductor? (b) Which material is the best conductor? |
Answer» (a) Resistivity of iron `= 10.0xx10^(-8)Omega` Resistivity of mercury `=94.0xx10^(-8)Omega` Resistivity of mercury is more than that of iron. This implies that iron is a better conductor than mercury. (b) It can observed form Table 12.2 that the resistivity of silver is the lowest among the listed materials. Hence, it is best conductor. |
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