Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? None of these 3 43891 2 43922 None of these 3 43891 2 43922 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm? 70.7Ohm 99.3 Ohm 60 Ohm 250 Ohm None of these 70.7Ohm 99.3 Ohm 60 Ohm 250 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Waveforms are graphs that show: None of these amplitude on the vertical axis and the passage of time on the horizontal axis amplitude on the vertical axis and frequency on the horizontal axis frequency on the vertical axis and amplitude on the horizontal axis the passage of time on the vertical axis and amplitude on the horizontal axis None of these amplitude on the vertical axis and the passage of time on the horizontal axis amplitude on the vertical axis and frequency on the horizontal axis frequency on the vertical axis and amplitude on the horizontal axis the passage of time on the vertical axis and amplitude on the horizontal axis ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases best describes residual magnetism? The circular magnetic field that surrounds a conductor carrying a current The force of attraction between the poles of a permanent and temporary magnetic field The amount of magnetic flux that is not confined to the core material of an electromagnet Magnetism that remains in the core of an electromagnet after the current through the coil is turned off None of these The circular magnetic field that surrounds a conductor carrying a current The force of attraction between the poles of a permanent and temporary magnetic field The amount of magnetic flux that is not confined to the core material of an electromagnet Magnetism that remains in the core of an electromagnet after the current through the coil is turned off None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of device is a diode? Linear Nonlinear None of these Bilateral Unipolar Linear Nonlinear None of these Bilateral Unipolar ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Doping Free electrons None of these Valence electrons Thermal energy Doping Free electrons None of these Valence electrons Thermal energy ANSWER DOWNLOAD EXAMIANS APP