Electronic Principles The peak value of a sine waveform is: the maximum positive or negative value the amplitude at 1.41 times the maximum value the amplitude at 70.7% of the maximum value None of these the amplitude at 90% of the maximum value the maximum positive or negative value the amplitude at 1.41 times the maximum value the amplitude at 70.7% of the maximum value None of these the amplitude at 90% of the maximum value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has a Norton current of 10 mA and a Norton resistance of 10 kW. What is the Thevenin circuit? 1000 V and a parallel resistance of 10 kOhm 100 V and a parallel resistance of 10 k Ohm 1000 V and a series resistance of 10 k Ohm None of these 100 V and a series resistance of 10 k Ohm 1000 V and a parallel resistance of 10 kOhm 100 V and a parallel resistance of 10 k Ohm 1000 V and a series resistance of 10 k Ohm None of these 100 V and a series resistance of 10 k Ohm 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? 0.2 A None of these 0.3 A 0.4 A 0.6 A 0.2 A None of these 0.3 A 0.4 A 0.6 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for resistance in a parallel circuit? None of these The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance of a parallel circuit is equal to the total voltage The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance is equal to the sum of the individual resistances in a parallel circuit. None of these The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance of a parallel circuit is equal to the total voltage The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance is equal to the sum of the individual resistances in a parallel circuit. ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Thevenin theorem replaces a complicated circuit facing a load by an Ideal voltage source and series resistor Ideal current source and series resistor Ideal current source and parallel resistor Ideal voltage source and parallel resistor None of these Ideal voltage source and series resistor Ideal current source and series resistor Ideal current source and parallel resistor Ideal voltage source and parallel resistor None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the core material is saturated None of these Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the core material is saturated None of these ANSWER DOWNLOAD EXAMIANS APP
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