Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 0.05 mA 13 mA 3.75 mA None of these 3.2 mA 0.05 mA 13 mA 3.75 mA None of these 3.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? Flux density Number of lines of force Reluctance None of these Magnetomotive force Flux density Number of lines of force Reluctance None of these Magnetomotive force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: piezoeletric cells solar cells None of these voltage generators chemical cells piezoeletric cells solar cells None of these voltage generators chemical cells ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? The current in an ac circuit flows in one direction, but changes value periodically None of these The current in an ac circuit flows in two directions at the same time The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in one direction, but changes value periodically None of these The current in an ac circuit flows in two directions at the same time The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction at a steady level ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: None of these passes higher-frequency signals and reduces lower-frequency signals increases the level of all frequencies by a significant amount passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals None of these passes higher-frequency signals and reduces lower-frequency signals increases the level of all frequencies by a significant amount passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals 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 None of these 0.955 A 0.41666666666667 0.02 A 2.02 A None of these 0.955 A 0.41666666666667 0.02 A ANSWER DOWNLOAD EXAMIANS APP
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