Current Electricity Sparking occurs when a load is switched off because the circuit has high Capacitance Resistance Impedance Inductance Capacitance Resistance Impedance Inductance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For which of the following 'ampere second' could be the unit? Power Energy Reluctance Charge Power Energy Reluctance Charge ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One commercial unit of energy equals One watt-hour One watt-hour One kilowatt-hour Ten kilowatt-hour One watt-hour One watt-hour One kilowatt-hour Ten kilowatt-hour ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a tungsten lamp _____ as applied voltage increases. None of the listed here Remains same Increases Decreases None of the listed here Remains same Increases Decreases 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 glow brighter Both lamps will glow equally bright 100 W lamp will glow brighter 40 W lamp will fuse 40 W lamp will glow brighter Both lamps will glow equally bright 100 W lamp will glow brighter 40 W lamp will fuse 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 Insulators Conductors Inductors Semi-conductors Insulators Conductors ANSWER DOWNLOAD EXAMIANS APP