Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 40 V 0 V 36 V 60 V None of these 40 V 0 V 36 V 60 V 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 core material is saturated Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently None of these Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the core material is saturated Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently None of these Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet 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? I = P/E P = E2/R P = I2R None of these P = IE I = P/E P = E2/R P = I2R None of these P = IE 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 V 9.3 W 0.93 W None of these 0.041666666666667 0.93 V 9.3 W 0.93 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 180 0.25 0.5 4 None of these 180 0.25 0.5 4 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of battery is most likely included in a cordless electric knife? Zinc-carbon battery Nicad battery Mercury-cell battery None of these Lead-acid battery Zinc-carbon battery Nicad battery Mercury-cell battery None of these Lead-acid battery ANSWER DOWNLOAD EXAMIANS APP
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