Current Electricity In a lamp load when more than one lamp are switched on the total resistance of the load None of these Decreases Increases Remains same None of these Decreases Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Insulators have _______ temperature co-efficient of resistance. Positive None of the listed here Zero Negative Positive None of the listed here Zero Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following statement is true both for a series and a parallel D.C. circuit? Elements have individual currents Currents are additive Power are additive Voltages are additive Elements have individual currents Currents are additive Power are additive Voltages are additive 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. Varistors Thermistor Semiconductors Variable resistors Varistors Thermistor Semiconductors Variable resistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The weight of an aluminium conductor as compared to a copper conductor of identical cross-section, for the same electrical resistance, is 0.6 1 1.5 0.5 0.6 1 1.5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Varistors are Non-linear resistors Resistor with zero temperature co-efficient Carbon resistors Insulators Non-linear resistors Resistor with zero temperature co-efficient Carbon resistors Insulators ANSWER DOWNLOAD EXAMIANS APP