Current Electricity Semiconductors have _______temperature co-efficient of resistance. Negative None of the listed here Positive Zero Negative None of the listed here Positive Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Carbon Constantan Copper Silver Carbon Constantan Copper Silver ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A field of force can exist only between Two ions Two atoms Two metal particles Two molecules Two ions Two atoms Two metal particles Two molecules ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The SI unit of power is Henry Watt-hour Watt Coulomb Henry Watt-hour Watt Coulomb ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A resistance having rating 10 ohms , 10 W is likely to be a Carbon resistor Variable resistor Metallic resistor Wire wound resistor Carbon resistor Variable resistor Metallic resistor Wire wound resistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In case of liquids, ohm's law is There is no relation between current and p. d Fully obeyed Partially obeyed None of the listed here There is no relation between current and p. d Fully obeyed Partially obeyed None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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