Electronic Principles Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode 10 mA None of these 12 mA 11 mA 14 mA 10 mA None of these 12 mA 11 mA 14 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases best describes residual magnetism? Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The amount of magnetic flux that is not confined to the core material of an electromagnet The force of attraction between the poles of a permanent and temporary magnetic field The circular magnetic field that surrounds a conductor carrying a current None of these Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The amount of magnetic flux that is not confined to the core material of an electromagnet The force of attraction between the poles of a permanent and temporary magnetic field The circular magnetic field that surrounds a conductor carrying a current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Thevenin theorem replaces a complicated circuit facing a load by an Ideal current source and series resistor Ideal current source and parallel resistor Ideal voltage source and series resistor Ideal voltage source and parallel resistor None of these Ideal current source and series resistor Ideal current source and parallel resistor Ideal voltage source and series resistor Ideal voltage source and parallel resistor None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? An atom that contains more protons than neutrons An atom that contains more electrons than protons An atom that contains more electrons than neutrons None of these An atom that contains more protons than electrons An atom that contains more protons than neutrons An atom that contains more electrons than protons An atom that contains more electrons than neutrons None of these An atom that contains more protons than electrons 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 None of these 3.2 mA 13 mA 0.05 mA 3.75 mA None of these 3.2 mA 13 mA 0.05 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? Protons only Electrons, protons, and ions Electrons, protons, and neutrons Electrons, ions, and neutrons None of these Protons only Electrons, protons, and ions Electrons, protons, and neutrons Electrons, ions, and neutrons None of these ANSWER DOWNLOAD EXAMIANS APP