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