Current Electricity Resistance of a carbon filament lamp _______ as the applied voltage increases. Remains same Increases None of the listed here Decreases Remains same Increases None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Inductors Semi-conductors Conductors Insulators Inductors Semi-conductors Conductors 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 should be decreased None of these Length of heating element should be increased Length of heating element has no effect on heating if water Length of heating element should be decreased None of these Length of heating element should be increased Length of heating element has no effect on heating if water ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which method can be used for absolute measurement of resistances? Lorentz method Ohm's law method Releigh method Wheastone bridge method Lorentz method Ohm's law method Releigh method Wheastone bridge method ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 3 Q resistor having 2 A current will dissipate the power of 4 watts 6 watts 8 watts 2 watts 4 watts 6 watts 8 watts 2 watts ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A wire having very high value of conductance is said to be Moderately good conductor Insulator None of the listed here Very good conductor Moderately good conductor Insulator None of the listed here Very good conductor ANSWER DOWNLOAD EXAMIANS APP