Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Insulators Inductors Semi-conductors Conductors Insulators Inductors Semi-conductors Conductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Out of the following which is not a poor conductor? Cast iron Tungsten Carbon Copper Cast iron Tungsten Carbon Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best conductor of electricity? Gold Copper Silver Zinc Gold Copper Silver Zinc ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Circuits with low current densities Carbon resistors High voltage circuits Vaccum tubes Circuits with low current densities Carbon resistors High voltage circuits Vaccum tubes ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Insulators have _______ temperature co-efficient of resistance. Negative Positive None of the listed here Zero Negative Positive None of the listed here Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot wire of electric bulb's filament is higher than its cold resistance because the temperature co-efficient of filament is Positive Negative Zero None of the listed here Positive Negative Zero None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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