Electronic Principles The equivalent of 1 kV is: 1000 V None of these 1.00 V 1000 mV 100 mV 1000 V None of these 1.00 V 1000 mV 100 mV ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Doping Valence electrons Thermal energy None of these Free electrons Doping Valence electrons Thermal energy None of these Free electrons ANSWER DOWNLOAD EXAMIANS APP
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? 208 V 700 V 651 V 707 V None of these 208 V 700 V 651 V 707 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals reduces the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals None of these passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals reduces the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? None of these 754 Ohm 30 Ohm 120 Ohm 60 Ohm None of these 754 Ohm 30 Ohm 120 Ohm 60 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit cuts the current through the inductors one-half has no effect on the current through the inductors None of these doubles the amount of current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit cuts the current through the inductors one-half has no effect on the current through the inductors None of these doubles the amount of current through the inductors ANSWER DOWNLOAD EXAMIANS APP
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