Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 200 W 20 W None of these 1000 W 100 W 200 W 20 W None of these 1000 W 100 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 85 9 None of these 81 6 85 9 None of these 81 6 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much power is being dissipated by a 1000 W resistance that has 25 V applied to it? 0.24 W 0.625 W None of these 325 kW 80 W 0.24 W 0.625 W None of these 325 kW 80 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current? I = P/E P = E2/R P = I2R None of these P = IE I = P/E P = E2/R P = I2R None of these P = IE 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? None of these 410 Ohm 550 Ohm 400 Ohm 310 Ohm None of these 410 Ohm 550 Ohm 400 Ohm 310 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the graph of current versus voltage is a straight line, the device is referred to as Active Linear None of these Nonlinear Bipolar Active Linear None of these Nonlinear Bipolar ANSWER DOWNLOAD EXAMIANS APP
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