Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: None of these One-half the primary current Same as the primary current No more than 10% less than the primary current Twice the primary current None of these One-half the primary current Same as the primary current No more than 10% less than the primary current Twice the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 0.1-H coil that is operating at 1000 Hz? 100 Ohm Less than 1 Ohm None of these 444 Ohm 628 Ohm 100 Ohm Less than 1 Ohm None of these 444 Ohm 628 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 37.4 V 30.4 V 35.4 V None of these 38.74 V 37.4 V 30.4 V 35.4 V None of these 38.74 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 100 Ohm 6 Ohm 50 Ohm or more None of these 5 Ohm 100 Ohm 6 Ohm 50 Ohm or more None of these 5 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a series RLC circuit has the characteristics of a: None of these series RLC circuit operated above its resonant frequency purely resistive circuit series RL circuit series RC circuit None of these series RLC circuit operated above its resonant frequency purely resistive circuit series RL circuit series RC circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? Reluctance Magnetomotive force Flux density None of these Number of lines of force Reluctance Magnetomotive force Flux density None of these Number of lines of force ANSWER DOWNLOAD EXAMIANS APP
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