Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually An insulator None of the listed here A semiconductor A conductor An insulator None of the listed here A semiconductor A conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity No current flow between two charged bodies if they have same Potential None of the listed here Capacity Charge Potential None of the listed here Capacity Charge ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a straight conductor is independent of Temperature Shape of cross-section Material Cross-sectional area Temperature Shape of cross-section Material Cross-sectional area ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Semi-conductors Conductors Inductors Insulators Semi-conductors Conductors Inductors Insulators ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In an electric kettle water boils in 10 m minutes. It is required to boil the boiler in 15 minutes, using same supply mains Length of heating element has no effect on heating if water Length of heating element should be increased None of these Length of heating element should be decreased Length of heating element has no effect on heating if water Length of heating element should be increased None of these Length of heating element should be decreased 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