Current Electricity Which of the following statement is true both for a series and a parallel D.C. circuit? Voltages are additive Power are additive Currents are additive Elements have individual currents Voltages are additive Power are additive Currents are additive Elements have individual currents ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electrical current is due to the flow of Both positive and negative charges Positive charges only Negative charges only Neutral particles only Both positive and negative charges Positive charges only Negative charges only Neutral particles only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V. Which of the following statement is correct? 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 40 W lamp will glow brighter 40 W lamp will fuse Both lamps will glow equally bright ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be 1/3 times 1/9 times 3 times 9 times 1/3 times 1/9 times 3 times 9 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a conductor varies inversely as Resistivity Temperature Length Are of cross-section Resistivity Temperature Length Are of cross-section ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be Low High Very low Any value Low High Very low Any value ANSWER DOWNLOAD EXAMIANS APP