Electronic Principles A device that converts light energy to electrical energy is called a: photo transistor None of these thermocouple photodiode solar cell photo transistor None of these thermocouple photodiode solar cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: multiplies the value of inductance by two None of these has no effect on the inductance reduces the value of inductance by one-half multiplies the value of inductance by four multiplies the value of inductance by two None of these has no effect on the inductance reduces the value of inductance by one-half multiplies the value of inductance by four 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 is the inductive reactance of a 0.1-H coil that is operating at 1000 Hz? 628 Ohm 100 Ohm None of these Less than 1 Ohm 444 Ohm 628 Ohm 100 Ohm None of these Less than 1 Ohm 444 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Emit light Regulate voltage Amplify weak signals Rectify line voltage None of these Emit light Regulate voltage Amplify weak signals Rectify line voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform? The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The actual frequency of a sine waveform is 1.41 times the working frequency The higher the amplitude of a waveform, the higher its frequency None of these The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The actual frequency of a sine waveform is 1.41 times the working frequency The higher the amplitude of a waveform, the higher its frequency None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS