Electronic Principles A device that converts mechanical into electrical energy is? thermocouple chemical cell solar cell None of these generator thermocouple chemical cell solar cell None of these generator ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? Combinations of resistance and inductive reactance provide any opposition to current flow Inductive reactance provides the only opposition to current flow The ac voltage lags the current by 90 degree Resistances provide the only opposition to current flow None of these Combinations of resistance and inductive reactance provide any opposition to current flow Inductive reactance provides the only opposition to current flow The ac voltage lags the current by 90 degree Resistances provide the only opposition to current flow None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons None of these Is greater than the number of holes Is less than the number of holes Impossible to say Equals the number of holes None of these Is greater than the number of holes Is less than the number of holes Impossible to say Equals the number of holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 60 V None of these 40 V 0 V 36 V 60 V None of these 40 V 0 V 36 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? None of these 120 Ohm 30 Ohm 754 Ohm 60 Ohm None of these 120 Ohm 30 Ohm 754 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 has no effect on the current through the inductors doubles the amount of current through the inductors cuts the current through the inductors one-half None of these increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit has no effect on the current through the inductors doubles the amount of current through the inductors cuts the current through the inductors one-half None of these ANSWER DOWNLOAD EXAMIANS APP
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