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