Current Electricity With rise in temperature the resistance of pure metals Decreases Remains constant Increases First increases and then decreases Decreases Remains constant Increases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The current in the circuit having constant resistance is tripled. The power increases 9 times 1/3 times 3 times 1/9 times 9 times 1/3 times 3 times 1/9 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A wire having very high value of conductance is said to be Insulator Very good conductor None of the listed here Moderately good conductor Insulator Very good conductor None of the listed here Moderately good conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Silver Constantan Carbon Copper Silver Constantan Carbon Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of conductor varies inversely as Length Resistivity Area of cross-section Temperature Length Resistivity Area of cross-section Temperature ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An open resistor, when checked with an ohmmeter reads Low but not zero Zero Infinite High but within tolerance Low but not zero Zero Infinite High but within tolerance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS