Current Electricity Which of the following materials has the least resistivity ? Zinc Lead Mercury Copper Zinc Lead Mercury Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The weight of an aluminium conductor as compared to a copper conductor of identical cross-section, for the same electrical resistance, is 1.5 1 0.5 0.6 1.5 1 0.5 0.6 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Semiconductors have _______temperature co-efficient of resistance. Negative Positive Zero None of the listed here Negative Positive Zero None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is 4.6 A, 9.6 A 4.6 A, 6.9 A 6.4 A, 6.9 A 6.4 A, 9.6 A 4.6 A, 9.6 A 4.6 A, 6.9 A 6.4 A, 6.9 A 6.4 A, 9.6 A ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Specific resistance of a substance is measured in Ω/m None of the listed here Ω-m m/Ω Ω/m None of the listed here Ω-m m/Ω 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
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