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 should be decreased Length of heating element should be increased None of these Length of heating element has no effect on heating if water Length of heating element should be decreased Length of heating element should be increased None of these Length of heating element has no effect on heating if water ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A resistance having rating 10 ohms , 10 W is likely to be a Carbon resistor Wire wound resistor Variable resistor Metallic resistor Carbon resistor Wire wound resistor Variable resistor Metallic resistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ampere-hour is the unit of Quantity of electricity Energy Power Strength of current Quantity of electricity Energy Power Strength of current ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of 220 V, 100 W lamp will be 4.84 Q 484 ft 48.4 Q 4840 Q 4.84 Q 484 ft 48.4 Q 4840 Q ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a carbon filament lamp _______ as the applied voltage increases. Increases Remains same None of the listed here Decreases Increases Remains same None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One commercial unit of energy equals One watt-hour One kilowatt-hour One watt-hour Ten kilowatt-hour One watt-hour One kilowatt-hour One watt-hour Ten kilowatt-hour ANSWER DOWNLOAD EXAMIANS APP