Current Electricity When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will Increase None of these Decrease Remain constant Increase None of these Decrease Remain constant ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductivity is the reciprocal of Resistance None of the listed here Current density Resistivity Resistance None of the listed here Current density Resistivity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Inductors Insulators Conductors Semi-conductors Inductors Insulators Conductors Semi-conductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals Increases Remains constant Decreases First increases and then decreases Increases Remains constant Decreases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be Low High Very low Any value Low High Very low Any value ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The SI unit of power is Coulomb Watt-hour Henry Watt Coulomb Watt-hour Henry Watt ANSWER DOWNLOAD EXAMIANS APP