Current Electricity Nichrome wire is an alloy of Nickel and chromium Chromium and vanadium Copper and silver Lead and zinc Nickel and chromium Chromium and vanadium Copper and silver Lead and zinc ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The specific resistance of a metallic conductor ______ with rise in temperature. None of the listed here Remains unchanged Increases Decreases None of the listed here Remains unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a material always decreases if Number of free electrons available becomes more Temperature of material is increased Temperature of material is decreased None of these Number of free electrons available becomes more Temperature of material is increased Temperature of material is decreased None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity No current flow between two charged bodies if they have same None of the listed here Capacity Charge Potential None of the listed here Capacity Charge Potential ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Out of the following which is not a poor conductor? Carbon Cast iron Copper Tungsten Carbon Cast iron Copper Tungsten ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A rheostat differs from potentiometer in the respect that it Has lower wattage rating Has large number of turns Offers large number of tapping Has higher wattage rating Has lower wattage rating Has large number of turns Offers large number of tapping Has higher wattage rating ANSWER DOWNLOAD EXAMIANS APP