Electronic Principles Current is An imbalance of electrical charges The number of free electrons in an atom None of these The force that causes electrons to flow The flow of charged particles through a material An imbalance of electrical charges The number of free electrons in an atom None of these The force that causes electrons to flow The flow of charged particles through a material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the phase shift between total current and voltage in the circuit of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm 75 degree 180 degree None of these 30 degree 45 degree 75 degree 180 degree None of these 30 degree 45 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: 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 has no effect on ac signals increases the level of all frequencies by a significant amount None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? 1590 Ohm None of these 690 Ohm less than 1 Ohm 312 Ohm 1590 Ohm None of these 690 Ohm less than 1 Ohm 312 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the core material is saturated None of these Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the core material is saturated None of these Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point down up None of these off the load line nowhere down up None of these off the load line nowhere ANSWER DOWNLOAD EXAMIANS APP
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