Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.4% 0.2% 0.3% None of the listed here 0.4% 0.2% 0.3% None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The rating of a fuse wire is always expressed in Amperes Ampere-volts Ampere-hours kWh Amperes Ampere-volts Ampere-hours kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current passing through the circuit produces Chemical effect Magnetic effect Thermal effect Luminous effect Chemical effect Magnetic effect Thermal effect Luminous effect ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best material for making connecting wires? Nichrome Constant Copper Manganin Nichrome Constant Copper Manganin ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of conductor varies inversely as Temperature Length Resistivity Area of cross-section Temperature Length Resistivity Area of cross-section 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 1.5 0.6 0.5 1 1.5 0.6 0.5 ANSWER DOWNLOAD EXAMIANS APP
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