Electronic Principles A loadstone is: a natural magnet a temporary magnet a paramagnetic alloy None of these an artificial magnet a natural magnet a temporary magnet a paramagnetic alloy None of these an artificial magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? Hysteresis is most apparent when the core material is saturated None of these Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently 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 the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a series RLC circuit? The voltage waveform for each component always has the same amplitude and phase as the applied voltage All of these None of these The current waveform for each component always has the same amplitude and phase as the applied current The sum of the current is always less than the applied current The voltage waveform for each component always has the same amplitude and phase as the applied voltage All of these None of these The current waveform for each component always has the same amplitude and phase as the applied current The sum of the current is always less than the applied current ANSWER DOWNLOAD EXAMIANS APP
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 37.4 V 30.4 V None of these 38.74 V 35.4 V 37.4 V 30.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? 122 W 6 W 64 W 3 W None of these 122 W 6 W 64 W 3 W None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the voltage drop and amount of resistance? P = E2/R P = IE P = I2R I = P/E None of these P = E2/R P = IE P = I2R I = P/E None of these ANSWER DOWNLOAD EXAMIANS APP
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