Current Electricity Resistance of a tungsten lamp _____ as applied voltage increases. Remains same Increases None of the listed here Decreases Remains same Increases None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current passing through the circuit produces Thermal effect Chemical effect Luminous effect Magnetic effect Thermal effect Chemical effect Luminous effect Magnetic effect ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is Practically zero High Very high Low Practically zero High Very high Low 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 Currents are additive Power are additive Elements have individual currents Voltages are additive Currents are additive Power are additive Elements have individual currents ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a copper wire 200 m long is 21 ω. If its thickness (diameter) is 0.44 mm, its specific resistance is around 1.2 x 10-8 ω-m 1.6 x 10-8 ω-m 1.4 x 10-8 ω-m 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m 1.6 x 10-8 ω-m 1.4 x 10-8 ω-m 1.8 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The SI unit of power is Watt Coulomb Henry Watt-hour Watt Coulomb Henry Watt-hour ANSWER DOWNLOAD EXAMIANS APP