Current Electricity Specific resistance of a substance is measured in Ω/m m/Ω None of the listed here Ω-m Ω/m m/Ω None of the listed here Ω-m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Nichrome wire is an alloy of Lead and zinc Nickel and chromium Copper and silver Chromium and vanadium Lead and zinc Nickel and chromium Copper and silver Chromium and vanadium ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The insulation on a current carrying conductor is provided None of above factors To prevent shock Both of the listed here To prevent leakage of current None of above factors To prevent shock Both of the listed here To prevent leakage of current ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An instrument which detects electric current is known as Rheostat Wattmeter Galvanometer Voltmeter Rheostat Wattmeter Galvanometer Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electrical current is due to the flow of Negative charges only Positive charges only Neutral particles only Both positive and negative charges Negative charges only Positive charges only Neutral particles only Both positive and negative charges ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The specific resistance of a metallic conductor ______ with rise in temperature. Remains unchanged Decreases None of the listed here Increases Remains unchanged Decreases None of the listed here Increases ANSWER DOWNLOAD EXAMIANS APP
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