Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from zero to its rms value from zero to its peak value from 10% of the peak value to 90% of the peak value None of these 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 from 10% of the peak value to 90% of the peak value None of these from 10% of the peak value to 70.7% of the peak value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? Only those produced by thermal energy None of these less than the free electrons Same number as free electrons many Only those produced by thermal energy None of these less than the free electrons Same number as free electrons many ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? 410 Ohm None of these 310 Ohm 550 Ohm 400 Ohm 410 Ohm None of these 310 Ohm 550 Ohm 400 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An ideal voltage source has None of these Infinite internal resistance Zero internal resistance A load dependent voltage A load-dependent current None of these Infinite internal resistance Zero internal resistance A load dependent voltage A load-dependent current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current can flow through a normally open push button switch as long as: its contact remain open you are pressing the button None of these its contact remain open you are not pressing the button its contact remain open you are pressing the button None of these its contact remain open you are not pressing the button ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: None of these from right to left from negative to positive from positive to negative from neutral to positive None of these from right to left from negative to positive from positive to negative from neutral to positive ANSWER DOWNLOAD EXAMIANS APP
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