Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Wattmeter Ammeter None of these Voltmeter Ohmmeter Wattmeter Ammeter None of these Voltmeter Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the graph of current versus voltage is a straight line, the device is referred to as Nonlinear None of these Bipolar Active Linear Nonlinear None of these Bipolar Active Linear ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is most likely used for measuring the rate of electron flow? Ammeter Ohmmeter Wattmeter None of these Voltmeter Ammeter Ohmmeter Wattmeter None of these Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: 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 None of these frequent changes in the direction of current through the coil causes heating effects in the core material the core is permitted to move freely within the coil 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 None of these frequent changes in the direction of current through the coil causes heating effects in the core material the core is permitted to move freely within the coil ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Impossible to say Equals the number of holes Is greater than the number of holes Is less than the number of holes None of these Impossible to say Equals the number of holes Is greater than the number of holes Is less than the number of holes None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: commutator brush loop armature None of these commutator brush loop armature None of these ANSWER DOWNLOAD EXAMIANS APP