Current Electricity Insulators have _______ temperature co-efficient of resistance. Positive None of the listed here Negative Zero Positive None of the listed here Negative Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current is a Number only Vector quantity Sometimes scalar and sometimes vector Scalar quantity Number only Vector quantity Sometimes scalar and sometimes vector Scalar quantity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An open resistor, when checked with an ohmmeter reads Zero High but within tolerance Low but not zero Infinite Zero High but within tolerance Low but not zero Infinite ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a lamp load when more than one lamp are switched on the total resistance of the load Decreases None of these Remains same Increases Decreases None of these Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Small resistors High currents Dc circuits Semi-conductors Small resistors High currents Dc circuits Semi-conductors 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 Power are additive Voltages are additive Currents are additive Elements have individual currents Power are additive Voltages are additive Currents are additive ANSWER DOWNLOAD EXAMIANS APP