Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 300 mW 20 mW 10 mW None of these 200 mW 300 mW 20 mW 10 mW None of these 200 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? Wattmeter Voltmeter Ohmmeter Ammeter None of these Wattmeter Voltmeter Ohmmeter Ammeter None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? 200 W 100 W None of these 1000 W 20 W 200 W 100 W None of these 1000 W 20 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: None of these cuts the capacitive reactance in half doubles the amount of capacitive reactance has no effect on the capacitive reactance multiplies the capacitive reactance by 7 None of these cuts the capacitive reactance in half doubles the amount of capacitive reactance has no effect on the capacitive reactance multiplies the capacitive reactance by 7 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: from neutral to positive from right to left None of these from positive to negative from negative to positive from neutral to positive from right to left None of these from positive to negative from negative to positive 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 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 None of these 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 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 None of these ANSWER DOWNLOAD EXAMIANS APP