Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from 10% of the peak value to 90% of the peak value from 10% of the peak value to 70.7% of the peak value from zero to its rms value from zero to its peak value None of these from 10% of the peak value to 90% of the peak value from 10% of the peak value to 70.7% of the peak value from zero to its rms value from zero to its peak value None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a series RLC circuit has the characteristics of a: series RLC circuit operated below its resonant frequency series RL circuit purely resistive circuit series RC circuit None of these series RLC circuit operated below its resonant frequency series RL circuit purely resistive circuit series RC circuit None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Neither Secondary voltage Primary voltage Impossible to say None of these Neither Secondary voltage Primary voltage Impossible to say None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 208 V 651 V 700 V None of these 707 V 208 V 651 V 700 V None of these 707 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Stays the same Decreases None of these Increases 0oC Stays the same Decreases None of these Increases 0oC ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a series RLC circuit? None of these All of these The voltage waveform for each component always has the same amplitude and phase as the applied voltage The current waveform for each component always has the same amplitude and phase as the applied current The sum of the current is always less than the applied current None of these All of these The voltage waveform for each component always has the same amplitude and phase as the applied voltage The current waveform for each component always has the same amplitude and phase as the applied current The sum of the current is always less than the applied current ANSWER DOWNLOAD EXAMIANS APP
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