Current Electricity For which of the following 'ampere second' could be the unit? Energy Reluctance Charge Power Energy Reluctance Charge Power ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.4% None of the listed here 0.2% 0.3% 0.4% None of the listed here 0.2% 0.3% ANSWER DOWNLOAD EXAMIANS APP
Current Electricity It becomes more difficult to remove Any electron from the orbit First electron from the orbit Third electron from the orbit Second electron from the orbit Any electron from the orbit First electron from the orbit Third electron from the orbit Second electron from the orbit ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Varistors are Non-linear resistors Carbon resistors Insulators Resistor with zero temperature co-efficient Non-linear resistors Carbon resistors Insulators Resistor with zero temperature co-efficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A rheostat differs from potentiometer in the respect that it Offers large number of tapping Has lower wattage rating Has large number of turns Has higher wattage rating Offers large number of tapping Has lower wattage rating Has large number of turns Has higher wattage rating ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Manganin Porcelain Copper Carbon Manganin Porcelain Copper Carbon ANSWER DOWNLOAD EXAMIANS APP