Current Electricity The hot resistance of the bulb's filament is higher than its cold resistance because the temperature coefficient of the filament is Negative Zero Positive About 2 ohms per degree Negative Zero Positive About 2 ohms per degree ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The maximum current rating for a 10 kΩ, 0.5 W resistor is 7.07 mA 14.14 mA 0.707 mA 28.28 mA 7.07 mA 14.14 mA 0.707 mA 28.28 mA ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductivity is the reciprocal of Resistance Current density None of the listed here Resistivity Resistance Current density None of the listed here Resistivity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a material always decreases if None of these Temperature of material is decreased Number of free electrons available becomes more Temperature of material is increased None of these Temperature of material is decreased Number of free electrons available becomes more Temperature of material is increased 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 Zero Positive None of the listed here Negative Zero Positive None of the listed here Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity At 0 K, germanium behaves as A superconductor A ferromagnetic substance An insulator A conductor A superconductor A ferromagnetic substance An insulator A conductor ANSWER DOWNLOAD EXAMIANS APP