Current Electricity The specific resistance of a metallic conductor ______ with rise in temperature. Increases Remains unchanged None of the listed here Decreases Increases Remains unchanged None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity At 0 K, germanium behaves as A superconductor A ferromagnetic substance A conductor An insulator A superconductor A ferromagnetic substance A conductor An insulator ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of 220 V, 100 W lamp will be 4840 Q 484 ft 48.4 Q 4.84 Q 4840 Q 484 ft 48.4 Q 4.84 Q ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals Decreases Remains constant First increases and then decreases Increases Decreases Remains constant First increases and then decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Nichrome wire is an alloy of Nickel and chromium Copper and silver Chromium and vanadium Lead and zinc Nickel and chromium Copper and silver Chromium and vanadium Lead and zinc ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Charcoal Silicon carbide Nichrome Graphite Charcoal Silicon carbide Nichrome Graphite ANSWER DOWNLOAD EXAMIANS APP
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