Current Electricity Resistance of 220 V, 100 W lamp will be 48.4 Q 4.84 Q 4840 Q 484 ft 48.4 Q 4.84 Q 4840 Q 484 ft ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A rheostat differs from potentiometer in the respect that it Has large number of turns Offers large number of tapping Has higher wattage rating Has lower wattage rating Has large number of turns Offers large number of tapping Has higher wattage rating Has lower wattage rating ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 25 : 4 2 : 5 5 : 2 4 : 25 25 : 4 2 : 5 5 : 2 4 : 25 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Insulators Inductors Conductors Semi-conductors Insulators Inductors Conductors Semi-conductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electrical current is due to the flow of Neutral particles only Positive charges only Both positive and negative charges Negative charges only Neutral particles only Positive charges only Both positive and negative charges Negative charges only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are used For inductive circuits As current stabilizers To suppress surges As heating elements For inductive circuits As current stabilizers To suppress surges As heating elements ANSWER DOWNLOAD EXAMIANS APP