Current Electricity Semiconductors have _______temperature co-efficient of resistance. Negative Positive None of the listed here Zero Negative Positive None of the listed here Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of human body is about 10 ohm 1000 ohm 200 ohm 25 ohm 10 ohm 1000 ohm 200 ohm 25 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Nichrome wire is an alloy of Chromium and vanadium Copper and silver Lead and zinc Nickel and chromium Chromium and vanadium Copper and silver Lead and zinc Nickel and chromium ANSWER DOWNLOAD EXAMIANS APP
Current Electricity At 0 K, germanium behaves as A conductor A ferromagnetic substance A superconductor An insulator A conductor A ferromagnetic substance A superconductor An insulator ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Current velocity through a copper conductor is 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 independent of current strength ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In the case of direct current Magnitude of current remains constant Magnitude and direction of current changes with time Magnitude of current changes with time Magnitude and direction of current remains constant Magnitude of current remains constant Magnitude and direction of current changes with time Magnitude of current changes with time Magnitude and direction of current remains constant ANSWER DOWNLOAD EXAMIANS APP
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