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 70.7% of the peak value None of these from zero to its peak value from zero to its rms value 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 None of these from zero to its peak value from zero to its rms value from 10% of the peak value to 90% of the peak value 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? 707 V 700 V None of these 208 V 651 V 707 V 700 V None of these 208 V 651 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 60-W light bulb that is operating at 120 V? 180 A None of these 0.083333333333333 7200 A 0.5A 180 A None of these 0.083333333333333 7200 A 0.5A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? 20 k Ohm 2 k Ohm 10 k Ohm 1 k Ohm None of these 20 k Ohm 2 k Ohm 10 k Ohm 1 k Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? Electrons, protons, and ions Protons only None of these Electrons, protons, and neutrons Electrons, ions, and neutrons Electrons, protons, and ions Protons only None of these Electrons, protons, and neutrons Electrons, ions, and neutrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? 200 W 1000 W 100 W None of these 20 W 200 W 1000 W 100 W None of these 20 W ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS