Current Electricity Current velocity through a copper conductor is independent of current strength nearly 3 x 108 m/s the same as propagation velocity of electric energy of the order of a few ^.s/m independent of current strength nearly 3 x 108 m/s the same as propagation velocity of electric energy of the order of a few ^.s/m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a conductor varies inversely as Resistivity Length Temperature Are of cross-section Resistivity Length Temperature Are of cross-section ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The current in the circuit having constant resistance is tripled. The power increases 1/9 times 9 times 3 times 1/3 times 1/9 times 9 times 3 times 1/3 times 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 Increases Remains same None of these Decreases Increases Remains same None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductance is reciprocal of Reluctance Capacitance Resistance Inductance Reluctance Capacitance Resistance Inductance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is 1000 Ω 600 Ω 800 Ω 400 Ω 1000 Ω 600 Ω 800 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP