Current Electricity Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators. Thermistor Semiconductors Varistors Variable resistors Thermistor Semiconductors Varistors Variable resistors 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 A conductor None of the listed here An insulator A semiconductor A conductor None of the listed here An insulator ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals 40 W 60 W 10 W 20 W 40 W 60 W 10 W 20 W ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Insulators Semi-conductors Inductors Conductors Insulators Semi-conductors Inductors Conductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In the case of direct current Magnitude of current changes with time Magnitude and direction of current changes with time Magnitude and direction of current remains constant Magnitude of current remains constant Magnitude of current changes with time Magnitude and direction of current changes with time Magnitude and direction of current remains constant Magnitude of current remains constant ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The SI unit of power is Watt-hour Henry Watt Coulomb Watt-hour Henry Watt Coulomb ANSWER DOWNLOAD EXAMIANS APP
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