Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Manganin Porcelain Copper Carbon Manganin Porcelain Copper Carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Nichrome Charcoal Graphite Silicon carbide Nichrome Charcoal Graphite Silicon carbide 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 Conductance is reciprocal of Reluctance Inductance Capacitance Resistance Reluctance Inductance Capacitance Resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Copper Carbon Silver Constantan Copper Carbon Silver Constantan ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Semiconductors have _______temperature co-efficient of resistance. None of the listed here Zero Negative Positive None of the listed here Zero Negative Positive ANSWER DOWNLOAD EXAMIANS APP
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