Current Electricity If the efficiency of a machine is to be high, what should be low? kWh consumed Input power Losses True component of power kWh consumed Input power Losses True component of power ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The rating of a fuse wire is always expressed in Ampere-volts kWh Amperes Ampere-hours Ampere-volts kWh Amperes Ampere-hours ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a tungsten lamp _____ as applied voltage increases. None of the listed here Remains same Decreases Increases None of the listed here Remains same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of 220 V, 100 W lamp will be 484 ft 4840 Q 4.84 Q 48.4 Q 484 ft 4840 Q 4.84 Q 48.4 Q ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V (alternating). Which of the following statement is correct? 40 W lamp will fuse Both lamps will glow equally bright 100 W lamp will glow brighter 40 W lamp will glow brighter 40 W lamp will fuse Both lamps will glow equally bright 100 W lamp will glow brighter 40 W lamp will glow brighter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a conductor varies inversely as Length Temperature Are of cross-section Resistivity Length Temperature Are of cross-section Resistivity ANSWER DOWNLOAD EXAMIANS APP