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 zero to its 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 10% of the peak value to 90% of the peak value from zero to its peak value None of these from 10% of the peak value to 70.7% of the peak value from zero to its rms value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Thevenin resistance is equal in value to the Load resistance None of these Open-load resistance Half the load resistance Internal resistance of a Morton circuit Load resistance None of these Open-load resistance Half the load resistance Internal resistance of a Morton circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 6 Ohm None of these 5 Ohm 50 Ohm or more 100 Ohm 6 Ohm None of these 5 Ohm 50 Ohm or more 100 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 20 A None of these 50 A 0.20833333333333 20 A None of these 50 A 0.20833333333333 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 None of these 208 V 700 V 651 V 707 V None of these 208 V 700 V 651 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? None of these 200 k Ohm or less 20 km or less 20 k Ohm or more 200 k Ohm or more None of these 200 k Ohm or less 20 km or less 20 k Ohm or more 200 k Ohm or more ANSWER DOWNLOAD EXAMIANS APP
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