Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: round off both the voltage and current waveforms peak both the voltage and current waveforms None of these peak the voltage and round off the current waveforms peak the current and round off the voltage waveforms round off both the voltage and current waveforms peak both the voltage and current waveforms None of these peak the voltage and round off the current waveforms peak the current and round off the voltage waveforms 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 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 most apparent when the core material is saturated None of these Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet 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 most apparent when the core material is saturated None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the base current emitter current collector current supply current None of these base current emitter current collector current supply current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? None of these 1234 Ohm 844.5 Ohm 692.2 Ohm 3890 Ohm None of these 1234 Ohm 844.5 Ohm 692.2 Ohm 3890 Ohm 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? None of these Electrons, protons, and ions Electrons, protons, and neutrons Protons only Electrons, ions, and neutrons None of these Electrons, protons, and ions Electrons, protons, and neutrons Protons only Electrons, ions, and neutrons ANSWER DOWNLOAD EXAMIANS APP