Current Electricity Semiconductors have _______temperature co-efficient of resistance. Negative None of the listed here Positive Zero Negative None of the listed here Positive Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Whether circuit may be AC. or D.C. one, following is most effective in reducing the magnitude of the current. Capacitor Resistor Inductor Reactor Capacitor Resistor Inductor Reactor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 4 : 25 25 : 4 2 : 5 5 : 2 4 : 25 25 : 4 2 : 5 5 : 2 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually A conductor None of the listed here An insulator A semiconductor A conductor None of the listed here An insulator A semiconductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 3 Q resistor having 2 A current will dissipate the power of 6 watts 8 watts 2 watts 4 watts 6 watts 8 watts 2 watts 4 watts ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open The other two bulbs will light Rest of the two bulbs will not light All three bulbs will light There will be heavy current in the main line The other two bulbs will light Rest of the two bulbs will not light All three bulbs will light There will be heavy current in the main line ANSWER DOWNLOAD EXAMIANS APP