Current Electricity Sparking occurs when a load is switched off because the circuit has high Capacitance Impedance Resistance Inductance Capacitance Impedance Resistance Inductance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is Practically zero Low High Very high Practically zero Low High Very high ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Out of the following which is not a poor conductor? Copper Cast iron Carbon Tungsten Copper Cast iron Carbon Tungsten ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V (alternating). Which of the following statement is correct? 40 W lamp will glow brighter 40 W lamp will fuse Both lamps will glow equally bright 100 W lamp will glow brighter 40 W lamp will glow brighter 40 W lamp will fuse Both lamps will glow equally bright 100 W lamp will glow brighter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following statement is true both for a series and a parallel D.C. circuit? Power are additive Voltages are additive Currents are additive Elements have individual currents Power are additive Voltages are additive Currents are additive Elements have individual currents ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals First increases and then decreases Increases Remains constant Decreases First increases and then decreases Increases Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
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