Current Electricity Insulators have _______ temperature co-efficient of resistance. None of the listed here Zero Positive Negative None of the listed here Zero Positive Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Small resistors High currents Dc circuits Semi-conductors Small resistors High currents Dc circuits Semi-conductors 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 Variable resistors Thermistor Varistors Semiconductors Variable resistors Thermistor Varistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Varistors are Insulators Non-linear resistors Carbon resistors Resistor with zero temperature co-efficient Insulators Non-linear resistors Carbon resistors Resistor with zero temperature co-efficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually A semiconductor None of the listed here An insulator A conductor A semiconductor None of the listed here An insulator A conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity SI unit of power is Watt-hour Coulomb Henry Watt Watt-hour Coulomb Henry Watt ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS