Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 10.3 µA 7.8 µA None of these 7.75 µA 14.8 µA 10.3 µA 7.8 µA None of these 7.75 µA 14.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: None of these ac current lags the voltage by 90 degree ac current and voltage are exactly in phase ac current is converted to dc voltage ac current leads the voltage by 90 degree None of these ac current lags the voltage by 90 degree ac current and voltage are exactly in phase ac current is converted to dc voltage ac current leads the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? 200 k Ohm or more 20 k Ohm or more 20 km or less None of these 200 k Ohm or less 200 k Ohm or more 20 k Ohm or more 20 km or less None of these 200 k Ohm or less ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Is greater than the number of holes None of these Impossible to say Equals the number of holes Is less than the number of holes Is greater than the number of holes None of these Impossible to say Equals the number of holes Is less than the number of holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: has no effect on ac signals increases the level of all frequencies by a significant amount passes lower-frequency signals and reduces higher-frequency signals None of these passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals increases the level of all frequencies by a significant amount passes lower-frequency signals and reduces higher-frequency signals None of these passes higher-frequency signals and reduces lower-frequency signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: None of these increasing the frequency of the applied voltage increasing the voltage applied to the plates decreasing the area of the plates increasing the area of the plates None of these increasing the frequency of the applied voltage increasing the voltage applied to the plates decreasing the area of the plates increasing the area of the plates ANSWER DOWNLOAD EXAMIANS APP
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