Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? None of these 38.74 V 35.4 V 30.4 V 37.4 V None of these 38.74 V 35.4 V 30.4 V 37.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Norton's theorem replaces a complicated circuit facing a load by an Ideal voltage source and series resistor Ideal current source and series resistor Ideal voltage source and parallel resistor Ideal current source and parallel resistor None of these Ideal voltage source and series resistor Ideal current source and series resistor Ideal voltage source and parallel resistor Ideal current source and parallel resistor None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.4 A 0.3 A 0.6 A None of these 0.2 A 0.4 A 0.3 A 0.6 A None of these 0.2 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: piezoelectric device None of these photodiode solar cell nicad cell piezoelectric device None of these photodiode solar cell nicad cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 651 V 707 V None of these 700 V 208 V 651 V 707 V None of these 700 V 208 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 0.1-H coil that is operating at 1000 Hz? 444 Ohm Less than 1 Ohm 100 Ohm 628 Ohm None of these 444 Ohm Less than 1 Ohm 100 Ohm 628 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
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