Current Electricity The resistance of a conductor varies inversely as Length Resistivity Are of cross-section Temperature Length Resistivity Are of cross-section Temperature ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually None of the listed here A semiconductor An insulator A conductor None of the listed here A semiconductor An insulator A conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Nichrome Graphite Silicon carbide Charcoal Nichrome Graphite Silicon carbide Charcoal ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All good conductors have high Conductance Thermal conductivity Reluctance Resistance Conductance Thermal conductivity Reluctance Resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Semi-conductors Insulators Conductors Inductors Semi-conductors Insulators Conductors Inductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The weight of an aluminium conductor as compared to a copper conductor of identical cross-section, for the same electrical resistance, is 0.5 1.5 1 0.6 0.5 1.5 1 0.6 ANSWER DOWNLOAD EXAMIANS APP