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 400 Ohm 310 Ohm 550 Ohm 410 Ohm None of these 400 Ohm 310 Ohm 550 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 81 6 9 85 None of these 81 6 9 85 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At cut off, the Q point is at lower end of the load line infinity upper end of the load line middle of the load line None of these lower end of the load line infinity upper end of the load line middle of the load line None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A farad is defined as the amount of capacitance necessary for: changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing storing 1 V for 1 second dissipating 1 W of power causing an ac phase shift greater than 90 degree None of these changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing storing 1 V for 1 second dissipating 1 W of power causing an ac phase shift greater than 90 degree None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the Q point moves along the load line, the voltage increases when the current Decreases Stays the same Increases Can be any of above None of these Decreases Stays the same Increases Can be any of above None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio for the transformer specified in the above question? 0.707 None of these 1.5 0.575 10.738 0.707 None of these 1.5 0.575 10.738 ANSWER DOWNLOAD EXAMIANS APP
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