Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? None of these 350 µA 0.25 µA 250 µA 300 µA None of these 350 µA 0.25 µA 250 µA 300 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: chemical cells None of these solar cells piezoeletric cells voltage generators chemical cells None of these solar cells piezoeletric cells voltage generators ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? 2.02 A 0.41666666666667 0.02 A None of these 0.955 A 2.02 A 0.41666666666667 0.02 A None of these 0.955 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current is converted to dc voltage ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree None of these ac current and voltage are exactly in phase ac current is converted to dc voltage ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree None of these ac current and voltage are exactly in phase ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: increases the level of all frequencies by a significant amount None of these passes lower-frequency signals and reduces higher-frequency signals 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 None of these passes lower-frequency signals and reduces higher-frequency signals passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? less than the free electrons many Same number as free electrons None of these Only those produced by thermal energy less than the free electrons many Same number as free electrons None of these Only those produced by thermal energy ANSWER DOWNLOAD EXAMIANS APP
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