Current Electricity With rise in temperature the resistance of pure metals Increases Decreases Remains constant First increases and then decreases Increases Decreases Remains constant First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following quantities remain the same in all parts of a series circuit? Power Voltage Current Resistance Power Voltage Current Resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity SI unit of power is Coulomb Watt-hour Watt Henry Coulomb Watt-hour Watt Henry ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a conductor varies inversely as Length Are of cross-section Resistivity Temperature Length Are of cross-section Resistivity Temperature ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Carbon Silver Copper Constantan Carbon Silver Copper Constantan ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Semiconductors have _______temperature co-efficient of resistance. Zero Positive Negative None of the listed here Zero Positive Negative None of the listed here ANSWER DOWNLOAD EXAMIANS APP