Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 24 V 0.4 V None of these 4.73 600 V 24 V 0.4 V None of these 4.73 600 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current and voltage are exactly in phase ac current leads the voltage by 90 degree ac current is converted to dc voltage ac current lags the voltage by 90 degree None of these ac current and voltage are exactly in phase ac current leads the voltage by 90 degree ac current is converted to dc voltage ac current lags the voltage by 90 degree 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 0.41666666666667 None of these 2.02 A 0.955 A 0.02 A 0.41666666666667 None of these 2.02 A 0.955 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for voltage in a parallel circuit? The total voltage in a parallel circuit is equal to the average value of the individual voltages The total voltage in a parallel circuit is always less than the value of the smallest voltage The total voltage of a parallel circuit is the same as the voltages across each branch The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit None of these The total voltage in a parallel circuit is equal to the average value of the individual voltages The total voltage in a parallel circuit is always less than the value of the smallest voltage The total voltage of a parallel circuit is the same as the voltages across each branch The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a: purely resistive circuit None of these parallel RL circuit parallel RLC circuit operated above its resonant frequency parallel RC circuit purely resistive circuit None of these parallel RL circuit parallel RLC circuit operated above its resonant frequency parallel RC circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: multiplies the value of inductance by two multiplies the value of inductance by four reduces the value of inductance by one-fourth reduces the value of inductance by one-half None of these multiplies the value of inductance by two multiplies the value of inductance by four reduces the value of inductance by one-fourth reduces the value of inductance by one-half None of these ANSWER DOWNLOAD EXAMIANS APP