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 0.6 1 1.5 0.5 0.6 1 1.5 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a material always decreases if Temperature of material is decreased None of these Number of free electrons available becomes more Temperature of material is increased Temperature of material is decreased None of these Number of free electrons available becomes more Temperature of material is increased ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Out of the following which is not a poor conductor? Copper Cast iron Tungsten Carbon Copper Cast iron Tungsten Carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity At 0 K, germanium behaves as An insulator A ferromagnetic substance A superconductor A conductor An insulator A ferromagnetic substance A superconductor A conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The flow of current in solids is due to Atoms Electrons Nucleus Electrons and ions Atoms Electrons Nucleus Electrons and ions ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current passing through the circuit produces Thermal effect Chemical effect Magnetic effect Luminous effect Thermal effect Chemical effect Magnetic effect Luminous effect ANSWER DOWNLOAD EXAMIANS APP
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