Current Electricity Constantan wire is used for making starndard resistance because it has Low specific resistance Negligibly small temperature co-efficient of resistance High specific resistance High melting point Low specific resistance Negligibly small temperature co-efficient of resistance High specific resistance High melting point ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a lamp load when more than one lamp are switched on the total resistance of the load Remains same Increases Decreases None of these Remains same Increases Decreases None of these 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 Currents are additive Power are additive Voltages are additive Elements have individual currents Currents are additive Power are additive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Sparking occurs when a load is switched off because the circuit has high Inductance Impedance Capacitance Resistance Inductance Impedance Capacitance Resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductivity is the reciprocal of Current density Resistance Resistivity None of the listed here Current density Resistance Resistivity None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electrical current is due to the flow of Positive charges only Negative charges only Neutral particles only Both positive and negative charges Positive charges only Negative charges only Neutral particles only Both positive and negative charges ANSWER DOWNLOAD EXAMIANS APP
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