Electronic Principles A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 15 V 16 V 8 V None of these 7.5 V 15 V 16 V 8 V None of these 7.5 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 30.4 V 35.4 V None of these 37.4 V 38.74 V 30.4 V 35.4 V None of these 37.4 V 38.74 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from zero to its peak 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 rms value from zero to its peak 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 rms value 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? 400 Ohm 410 Ohm None of these 550 Ohm 310 Ohm 400 Ohm 410 Ohm None of these 550 Ohm 310 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: the number of cycles completed in one second None of these equal to 1.41 times the peak amplitude the time required to complete one full cycle equal to 0.707 times the peak amplitude the number of cycles completed in one second None of these equal to 1.41 times the peak amplitude the time required to complete one full cycle equal to 0.707 times the peak amplitude ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A resistor has a rated value of 100 ohm and a tolerance of 10%. What is its minimum and maximum allowable resistance value? 99 Ohm - 102 ohm 98 Ohm - 100.1 ohm 90 Ohm - 101 ohm 90 Ohm - 110 ohm None of these 99 Ohm - 102 ohm 98 Ohm - 100.1 ohm 90 Ohm - 101 ohm 90 Ohm - 110 ohm None of these ANSWER DOWNLOAD EXAMIANS APP