Current Electricity Current velocity through a copper conductor is nearly 3 x 108 m/s independent of current strength of the order of a few ^.s/m the same as propagation velocity of electric energy nearly 3 x 108 m/s independent of current strength of the order of a few ^.s/m the same as propagation velocity of electric energy ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following quantities remain the same in all parts of a series circuit? Current Power Voltage Resistance Current Power Voltage Resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The weight of an aluminium conductor as compared to a copper conductor of identical cross-section, for the same electrical resistance, is 0.5 0.6 1 1.5 0.5 0.6 1 1.5 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best material for making connecting wires? Constant Nichrome Copper Manganin Constant Nichrome Copper Manganin ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Nichrome wire is an alloy of Chromium and vanadium Nickel and chromium Copper and silver Lead and zinc Chromium and vanadium Nickel and chromium Copper and silver Lead and zinc ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The specific resistance of a metallic conductor ______ with rise in temperature. Increases Decreases Remains unchanged None of the listed here Increases Decreases Remains unchanged None of the listed here ANSWER DOWNLOAD EXAMIANS APP