Current Electricity Ohm's law is not applicable to Semi-conductors Small resistors Dc circuits High currents Semi-conductors Small resistors Dc circuits High currents ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Eureka has _______ temperature co-efficient of resistance. Almost zero Negative None of the listed here Positive Almost zero Negative None of the listed here Positive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All good conductors have high Resistance Thermal conductivity Conductance Reluctance Resistance Thermal conductivity Conductance Reluctance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A rheostat differs from potentiometer in the respect that it 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 Has large number of turns Offers large number of tapping ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will Decreases Increases Heater will burn out Remains same Decreases Increases Heater will burn out Remains same ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot wire of electric bulb's filament is higher than its cold resistance because the temperature co-efficient of filament is Positive Zero Negative None of the listed here Positive Zero Negative None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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