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 Positive About 2 ohms per degree Zero Negative Positive About 2 ohms per degree Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current is a Scalar quantity Vector quantity Sometimes scalar and sometimes vector Number only Scalar quantity Vector quantity Sometimes scalar and sometimes vector Number only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A thermistor has Negative temperature coefficient Variable temperature coefficient Positive temperature coefficient Zero temperature coefficient Negative temperature coefficient Variable temperature coefficient Positive temperature coefficient Zero temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a carbon filament lamp _______ as the applied voltage increases. None of the listed here Decreases Remains same Increases None of the listed here Decreases Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a series circuit with unequal resistances The lowest resistance has the highest current The lowest resistance has the highest voltage drop The highest resistance has the most of the current through it The highest resistance has the highest voltage drop The lowest resistance has the highest current The lowest resistance has the highest voltage drop The highest resistance has the most of the current through it The highest resistance has the highest voltage drop 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