Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 10 mW 200 mW 20 mW 300 mW None of these 10 mW 200 mW 20 mW 300 mW None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Valence electrons Free electrons Doping Thermal energy None of these Valence electrons Free electrons Doping Thermal energy None of these 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? None of these Voltmeter Wattmeter Ammeter Ohmmeter None of these Voltmeter Wattmeter Ammeter Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? None of these 150 ohm 690 ohm 445 ohm 220 ohm None of these 150 ohm 690 ohm 445 ohm 220 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Positive ions are atoms that have Gained an electron None of these Lost an electron Gained a proton Lost a proton Gained an electron None of these Lost an electron Gained a proton Lost a proton ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? 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 most apparent when the core material is saturated Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet 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 most apparent when the core material is saturated Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet ANSWER DOWNLOAD EXAMIANS APP
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