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