Current Electricity The hot resistance of the bulb's filament is higher than its cold resistance because the temperature coefficient of the filament is About 2 ohms per degree Negative Positive Zero About 2 ohms per degree Negative Positive Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity SI unit of power is Henry Coulomb Watt Watt-hour Henry Coulomb Watt Watt-hour ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators. Semiconductors Varistors Variable resistors Thermistor Semiconductors Varistors Variable resistors Thermistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a circuit a 33 Q resistor carries a current of 2 A. The voltage across the resistor is 80 V 66 V 33 V 132 V 80 V 66 V 33 V 132 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When one lag of parallel circuit is opened out the total current will Increases Become zero None of the listed here Decreases Increases Become zero None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Varistors are Carbon resistors Resistor with zero temperature co-efficient Non-linear resistors Insulators Carbon resistors Resistor with zero temperature co-efficient Non-linear resistors Insulators ANSWER DOWNLOAD EXAMIANS APP