11An ideal op-amp has:AZero gainBInfinite output impedanceCInfinite input impedance and zero output impedanceDZero input impedanceView AnswerDiscussWorkspaceReportSaveEasy
12The CMRR of an op-amp should ideally be:ANegativeBZeroCInfiniteDOneView AnswerDiscussWorkspaceReportSaveEasy
13The Barkhausen criterion requires a loop gain of:A−1 with 90° phaseB1 with a total phase shift of 0° or 360°C0DInfiniteView AnswerDiscussWorkspaceReportSaveEasy
14The 555 timer in astable mode produces:AA DC levelBA single pulseCA continuous square (rectangular) waveDA sine waveView AnswerDiscussWorkspaceReportSaveEasy
15A voltage follower (buffer) op-amp has a gain of:A1B−1CInfiniteD0View AnswerDiscussWorkspaceReportSaveEasy