Current Electricity In which of the following substances the resistance decreases with increase in temperature? Copper Silver Constantan Carbon Copper Silver Constantan Carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following statement is true both for a series and a parallel D.C. circuit? Power are additive Currents are additive Elements have individual currents Voltages are additive Power are additive Currents are additive Elements have individual currents Voltages are additive 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 1.5 1 0.6 0.5 1.5 1 0.6 0.5 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 3 Q resistor having 2 A current will dissipate the power of 6 watts 8 watts 2 watts 4 watts 6 watts 8 watts 2 watts 4 watts ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The current in the circuit having constant resistance is tripled. The power increases 1/3 times 1/9 times 3 times 9 times 1/3 times 1/9 times 3 times 9 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity It becomes more difficult to remove Third electron from the orbit First electron from the orbit Second electron from the orbit Any electron from the orbit Third electron from the orbit First electron from the orbit Second electron from the orbit Any electron from the orbit ANSWER DOWNLOAD EXAMIANS APP