Current Electricity An open resistor, when checked with an ohmmeter reads Zero Low but not zero High but within tolerance Infinite Zero Low but not zero High but within tolerance Infinite ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Insulators 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
Current Electricity If the efficiency of a machine is to be high, what should be low? Losses True component of power Input power kWh consumed Losses True component of power Input power kWh consumed ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following statement is true both for a series and a parallel D.C. circuit? Voltages are additive Elements have individual currents Power are additive Currents are additive Voltages are additive Elements have individual currents Power are additive Currents are additive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a carbon filament lamp _______ as the applied voltage increases. Increases None of the listed here Remains same Decreases Increases None of the listed here Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of conductor varies inversely as Length Resistivity Temperature Area of cross-section Length Resistivity Temperature Area of cross-section ANSWER DOWNLOAD EXAMIANS APP
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