Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 707 V None of these 700 V 208 V 651 V 707 V None of these 700 V 208 V 651 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode 14 mA None of these 10 mA 11 mA 12 mA 14 mA None of these 10 mA 11 mA 12 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between a conductor and an insulator? A conductor allows current to flow much easier than an insulator does None of these An insulator allows current to flow much easier than a conductor does The difference between conductors and insulators depends on how they are used An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all A conductor allows current to flow much easier than an insulator does None of these An insulator allows current to flow much easier than a conductor does The difference between conductors and insulators depends on how they are used An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: loop armature brush commutator None of these loop armature brush commutator None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What causes the depletion layer? Doping Recombination None of these Barrier potential Ions Doping Recombination None of these Barrier potential Ions ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: multiplies the value of inductance by two reduces the value of inductance by one-half multiplies the value of inductance by four None of these reduces the value of inductance by one-fourth multiplies the value of inductance by two reduces the value of inductance by one-half multiplies the value of inductance by four None of these reduces the value of inductance by one-fourth ANSWER DOWNLOAD EXAMIANS APP
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