Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Ohmmeter Ammeter Wattmeter None of these Voltmeter Ohmmeter Ammeter Wattmeter None of these Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: doubles the amount of total current cuts the total current by one-half has no effect on the total circuit current None of these thrice the amount of total current doubles the amount of total current cuts the total current by one-half has no effect on the total circuit current None of these thrice the amount of total current 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 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 The force of attraction between the poles of a permanent and temporary magnetic field None of these The circular magnetic field that surrounds a conductor carrying a current 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 The force of attraction between the poles of a permanent and temporary magnetic field None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The barrier potential accross each depletion layer is 0.8 V 0.7 V 20 V None of these 0.8 V 0.7 V 20 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 37.4 V 30.4 V None of these 35.4 V 38.74 V 37.4 V 30.4 V None of these 35.4 V 38.74 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What causes the depletion layer? Recombination None of these Doping Ions Barrier potential Recombination None of these Doping Ions Barrier potential ANSWER DOWNLOAD EXAMIANS APP
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