Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 300 mA None of these 200 mA 208 mA 7.8 mA 300 mA None of these 200 mA 208 mA 7.8 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: multiplies the capacitive reactance by 7 doubles the amount of capacitive reactance has no effect on the capacitive reactance cuts the capacitive reactance in half None of these multiplies the capacitive reactance by 7 doubles the amount of capacitive reactance has no effect on the capacitive reactance cuts the capacitive reactance in half None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: None of these doubles the amount of inductive reactance has no effect on the inductive reactance multiplies the inductive reactance by 6.28 cuts the inductive reactance in half None of these doubles the amount of inductive reactance has no effect on the inductive reactance multiplies the inductive reactance by 6.28 cuts the inductive reactance in half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values? None of these 0.041666666666667 0.93 W 9.3 W 0.93 V None of these 0.041666666666667 0.93 W 9.3 W 0.93 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Waveforms are graphs that show: frequency on the vertical axis and amplitude on the horizontal axis amplitude on the vertical axis and frequency on the horizontal axis amplitude on the vertical axis and the passage of time on the horizontal axis None of these the passage of time on the vertical axis and amplitude on the horizontal axis frequency on the vertical axis and amplitude on the horizontal axis amplitude on the vertical axis and frequency on the horizontal axis amplitude on the vertical axis and the passage of time on the horizontal axis None of these the passage of time on the vertical axis and amplitude on the horizontal axis ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles To get the Thevenin voltage, you have to None of these Open the load resister Short the load resistor Short the voltage source Open the voltage source None of these Open the load resister Short the load resistor Short the voltage source Open the voltage source ANSWER DOWNLOAD EXAMIANS APP
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