Electronic Principles A high-pass filter: has no effect on ac signals increases the level of all frequencies by a significant amount None of these passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals increases the level of all frequencies by a significant amount None of these passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Flux density Number of lines of force None of these Magnetomotive force Reluctance Flux density Number of lines of force None of these Magnetomotive force Reluctance 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? 3.75 mA 0.05 mA None of these 3.2 mA 13 mA 3.75 mA 0.05 mA None of these 3.2 mA 13 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 6 81 85 None of these 9 6 81 85 None of these 9 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Equals the number of holes Is less than the number of holes None of these Impossible to say Is greater than the number of holes Equals the number of holes Is less than the number of holes None of these Impossible to say Is greater than the number of holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Who invented the first junction transistor? Shockley Gomes Fisher None of these Smith Shockley Gomes Fisher None of these Smith ANSWER DOWNLOAD EXAMIANS APP
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