Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? Resistances provide the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow Capacitive reactance provides the only opposition to current flow The ac voltage leads the current by 90 degree None of these Resistances provide the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow Capacitive reactance provides the only opposition to current flow The ac voltage leads the current by 90 degree None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Inductive reactance is measured in units of: henrys volts per second Ohm None of these amperes per second henrys volts per second Ohm None of these amperes per second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 180 4 0.25 0.5 None of these 180 4 0.25 0.5 None of these 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 2.02 A 0.41666666666667 None of these 0.955 A 0.02 A 2.02 A 0.41666666666667 None of these 0.955 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a transistor operates at the middle of the load line, an increase in the base resistance will move the Q point nowhere off the load line None of these up down nowhere off the load line None of these up down ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the diameter of the coil in an inductor: multiplies the value of inductance by two None of these multiplies the value of inductance by four reduces the value of inductance by one-half reduces the value of inductance by one-fourth multiplies the value of inductance by two None of these multiplies the value of inductance by four reduces the value of inductance by one-half reduces the value of inductance by one-fourth ANSWER DOWNLOAD EXAMIANS APP
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