Current Electricity Nichrome wire is an alloy of Nickel and chromium Copper and silver Lead and zinc Chromium and vanadium Nickel and chromium Copper and silver Lead and zinc Chromium and vanadium 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 3 times 9 times 1/9 times 1/3 times 3 times 9 times 1/9 times 1/3 times ANSWER DOWNLOAD EXAMIANS APP
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 If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 0.4 ohm 0.6 ohm 0.8 ohm 1.0 ohm 0.4 ohm 0.6 ohm 0.8 ohm 1.0 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In the case of direct current Magnitude of current changes with time Magnitude of current remains constant Magnitude and direction of current remains constant Magnitude and direction of current changes with time Magnitude of current changes with time Magnitude of current remains constant Magnitude and direction of current remains constant Magnitude and direction of current changes with time ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Specific resistance of a substance is measured in m/Ω None of the listed here Ω/m Ω-m m/Ω None of the listed here Ω/m Ω-m ANSWER DOWNLOAD EXAMIANS APP
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