Current Electricity Ohm's law is not applicable to High currents Dc circuits Small resistors Semi-conductors High currents Dc circuits Small resistors Semi-conductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The rating of a fuse wire is always expressed in kWh Ampere-volts Ampere-hours Amperes kWh Ampere-volts Ampere-hours Amperes ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following statement is true both for a series and a parallel D.C. circuit? Power are additive Voltages are additive Elements have individual currents Currents are additive Power are additive Voltages are additive Elements have individual currents Currents are additive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of 220 V, 100 W lamp will be 4.84 Q 48.4 Q 484 ft 4840 Q 4.84 Q 48.4 Q 484 ft 4840 Q ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A rheostat differs from potentiometer in the respect that it Offers large number of tapping Has lower wattage rating Has higher wattage rating Has large number of turns Offers large number of tapping Has lower wattage rating Has higher wattage rating Has large number of turns 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 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 ANSWER DOWNLOAD EXAMIANS APP