Current Electricity Conductivity is the reciprocal of Resistance Current density Resistivity None of the listed here Resistance Current density Resistivity None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Zinc Mercury Copper Lead Zinc Mercury Copper Lead 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 Varistors are Carbon resistors Insulators Resistor with zero temperature co-efficient Non-linear resistors Carbon resistors Insulators Resistor with zero temperature co-efficient Non-linear resistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a carbon filament lamp _______ as the applied voltage increases. Decreases None of the listed here Remains same Increases Decreases None of the listed here Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following statement is true both for a series and a parallel D.C. circuit? Currents are additive Elements have individual currents Voltages are additive Power are additive Currents are additive Elements have individual currents Voltages are additive Power are additive ANSWER DOWNLOAD EXAMIANS APP
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