Electronic Principles Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff? None of these 20 Ohm 10 Ohm 30 Ohm 100 Ohm None of these 20 Ohm 10 Ohm 30 Ohm 100 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current lags the voltage by 90 degree None of these ac current and voltage are exactly in phase ac current leads the voltage by 90 degree ac current is converted to dc voltage ac current lags the voltage by 90 degree None of these ac current and voltage are exactly in phase ac current leads the voltage by 90 degree ac current is converted to dc voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RL circuit? The total voltage lags the total current by less than 90 The total voltage is equal to the sum of the voltages across the resistance and inductance None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltages is less than the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 The total voltage is equal to the sum of the voltages across the resistance and inductance None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltages is less than the sum of the voltages across the resistance and inductance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Free electrons Valence electrons None of these Doping Thermal energy Free electrons Valence electrons None of these Doping Thermal energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.2 mA 3.75 mA 13 mA 0.05 mA None of these 3.2 mA 3.75 mA 13 mA 0.05 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio for the transformer specified in the above question? 1.5 0.707 None of these 0.575 10.738 1.5 0.707 None of these 0.575 10.738 ANSWER DOWNLOAD EXAMIANS APP
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