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