Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.3% 0.4% 0.2% None of the listed here 0.3% 0.4% 0.2% None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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 substances which have a large number of free electrons and offer a low resistance are called Semi-conductors Insulators Conductors Inductors Semi-conductors Insulators Conductors Inductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The flow of current in solids is due to Atoms Nucleus Electrons and ions Electrons Atoms Nucleus Electrons and ions Electrons ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electrical current is due to the flow of Negative charges only Both positive and negative charges Neutral particles only Positive charges only Negative charges only Both positive and negative charges Neutral particles only Positive charges only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of human body is about 10 ohm 25 ohm 200 ohm 1000 ohm 10 ohm 25 ohm 200 ohm 1000 ohm ANSWER DOWNLOAD EXAMIANS APP
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