Current Electricity The resistance of a conductor varies inversely as Resistivity Length Are of cross-section Temperature Resistivity Length Are of cross-section Temperature ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All good conductors have high Conductance Resistance Reluctance Thermal conductivity Conductance Resistance Reluctance Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Copper Mercury Zinc Lead Copper Mercury Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
Current Electricity It becomes more difficult to remove Any electron from the orbit First electron from the orbit Second electron from the orbit Third electron from the orbit Any electron from the orbit First electron from the orbit Second electron from the orbit Third electron from the orbit ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually A semiconductor None of the listed here An insulator A conductor A semiconductor None of the listed here An insulator A conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a tungsten lamp _____ as applied voltage increases. Increases Remains same None of the listed here Decreases Increases Remains same None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP