Electronic Principles An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? 68.4 mA 24.2 mA 28.4 mA 34.4 mA None of these 68.4 mA 24.2 mA 28.4 mA 34.4 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the collector current increases, what does the current gain do? any of the above None of these increases decreases stays the same any of the above None of these increases decreases stays the same ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of less than 10 Ohm At least 10 Ohm Less than 100 k Ohm None of these More than 100 k Ohm less than 10 Ohm At least 10 Ohm Less than 100 k Ohm None of these More than 100 k 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? 0.20833333333333 20 A 50 A None of these 0.20833333333333 20 A 50 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: a temporary magnet an artificial magnet None of these a paramagnetic alloy a natural magnet a temporary magnet an artificial magnet None of these a paramagnetic alloy a natural magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true? Power dissipation of a pure capacitor decreases with operating frequency None of these All of these There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency Power dissipation of a pure capacitor increases with operating frequency Power dissipation of a pure capacitor decreases with operating frequency None of these All of these There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency Power dissipation of a pure capacitor increases with operating frequency ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS