1The temperature coefficient of resistance of carbon is:APositiveBInfiniteCNegativeDZeroView AnswerDiscussWorkspaceReportSaveEasy
2Kirchhoff's current law states that the algebraic sum of currents at a node is:AEqual to the voltageBZeroCMaximumDInfiniteView AnswerDiscussWorkspaceReportSaveEasy
3Three resistors of 2 Ω, 3 Ω and 5 Ω in series have total resistance:A10 ΩB30 ΩC5 ΩD0.97 ΩView AnswerDiscussWorkspaceReportSaveMedium
4A short circuit has:ANo currentBNearly zero resistanceCVery high voltage across itDInfinite resistanceView AnswerDiscussWorkspaceReportSaveEasy
5The resistance of a wire is proportional to its:AWeight onlyBLengthCCross-sectional areaDDiameterView AnswerDiscussWorkspaceReportSaveEasy