Current Electricity At 0 K, germanium behaves as An insulator A superconductor A ferromagnetic substance A conductor An insulator A superconductor A ferromagnetic substance A conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.3% 0.2% 0.4% None of the listed here 0.3% 0.2% 0.4% None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Constantan wire is used for making starndard resistance because it has High specific resistance Negligibly small temperature co-efficient of resistance High melting point Low specific resistance High specific resistance Negligibly small temperature co-efficient of resistance High melting point Low specific resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Semiconductors have _______temperature co-efficient of resistance. Zero Negative Positive None of the listed here Zero Negative Positive None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductivity is the reciprocal of Current density Resistivity None of the listed here Resistance Current density Resistivity None of the listed here Resistance ANSWER DOWNLOAD EXAMIANS APP
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