Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? None of these 37.4 V 38.74 V 35.4 V 30.4 V None of these 37.4 V 38.74 V 35.4 V 30.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: reduces the value of inductance by one-half reduces the value of inductance by one-fourth multiplies the value of inductance by four None of these multiplies the value of inductance by two reduces the value of inductance by one-half reduces the value of inductance by one-fourth multiplies the value of inductance by four None of these multiplies the value of inductance by two ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: Negative charges Positive charges Crystals Atoms None of these Negative charges Positive charges Crystals Atoms None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is most likely used for measuring the rate of electron flow? Wattmeter Ammeter None of these Voltmeter Ohmmeter Wattmeter Ammeter None of these Voltmeter Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: None of these changing the polarity of the current in the coil changes the polarity of the magnetic field around the core an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil frequent changes in the direction of current through the coil causes heating effects in the core material None of these changing the polarity of the current in the coil changes the polarity of the magnetic field around the core an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil frequent changes in the direction of current through the coil causes heating effects in the core material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a series RLC circuit has the characteristics of a: series RC circuit None of these series RL circuit purely resistive circuit series RLC circuit operated above its resonant frequency series RC circuit None of these series RL circuit purely resistive circuit series RLC circuit operated above its resonant frequency ANSWER DOWNLOAD EXAMIANS APP