Current Electricity With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals 60 W 20 W 40 W 10 W 60 W 20 W 40 W 10 W ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Insulators have _______ temperature co-efficient of resistance. Negative Positive Zero None of the listed here Negative Positive Zero None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 3 Q resistor having 2 A current will dissipate the power of 6 watts 8 watts 4 watts 2 watts 6 watts 8 watts 4 watts 2 watts ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A rheostat differs from potentiometer in the respect that it Has lower wattage rating 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 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A field of force can exist only between Two ions Two atoms Two metal particles Two molecules Two ions Two atoms Two metal particles Two molecules ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 2 : 5 5 : 2 25 : 4 4 : 25 2 : 5 5 : 2 25 : 4 4 : 25 ANSWER DOWNLOAD EXAMIANS APP