Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? None of these 0.25 180 4 0.5 None of these 0.25 180 4 0.5 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Inductive reactance is measured in units of: amperes per second volts per second None of these henrys Ohm amperes per second volts per second None of these henrys Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 60-W light bulb that is operating at 120 V? 0.083333333333333 180 A None of these 0.5A 7200 A 0.083333333333333 180 A None of these 0.5A 7200 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? Resistances provide the only opposition to current flow None of these Combinations of resistance and capacitive reactance provide any opposition to current flow The ac voltage leads the current by 90 degree Capacitive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow None of these Combinations of resistance and capacitive reactance provide any opposition to current flow The ac voltage leads the current by 90 degree Capacitive reactance provides the only opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? 0.02 A 0.41666666666667 None of these 0.955 A 2.02 A 0.02 A 0.41666666666667 None of these 0.955 A 2.02 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical into electrical energy is? solar cell thermocouple chemical cell generator None of these solar cell thermocouple chemical cell generator None of these ANSWER DOWNLOAD EXAMIANS APP
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