Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is Low Practically zero High Very high Low Practically zero High Very high ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators. Variable resistors Varistors Semiconductors Thermistor Variable resistors Varistors Semiconductors Thermistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best conductor of electricity? Copper Zinc Silver Gold Copper Zinc Silver Gold ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Porcelain Copper Carbon Manganin Porcelain Copper Carbon Manganin 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 1 0.5 0.6 1.5 1 0.5 0.6 1.5 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following quantities remain the same in all parts of a series circuit? Current Resistance Voltage Power Current Resistance Voltage Power ANSWER DOWNLOAD EXAMIANS APP