Current Electricity With rise in temperature the resistance of pure metals Decreases Increases First increases and then decreases Remains constant Decreases Increases First increases and then decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Manganin Porcelain Carbon Copper Manganin Porcelain Carbon Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of 220 V, 100 W lamp will be 48.4 Q 4840 Q 4.84 Q 484 ft 48.4 Q 4840 Q 4.84 Q 484 ft ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is Low High Very high Practically zero Low High Very high Practically zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The rating of a fuse wire is always expressed in kWh Amperes Ampere-volts Ampere-hours kWh Amperes Ampere-volts Ampere-hours ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An electric filament bulb can be worked from AC supply only All of the listed here Battery supply only DC supply only AC supply only All of the listed here Battery supply only DC supply only ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS