Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Wattmeter Voltmeter Ammeter Ohmmeter None of these Wattmeter Voltmeter Ammeter Ohmmeter None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The merging of a free electron and a hole is called Thermal energy None of these Lifetime Covalent bonding Recombination Thermal energy None of these Lifetime Covalent bonding Recombination ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between a conductor and an insulator? An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all None of these An insulator allows current to flow much easier than a conductor does A conductor allows current to flow much easier than an insulator does The difference between conductors and insulators depends on how they are used An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all None of these An insulator allows current to flow much easier than a conductor does A conductor allows current to flow much easier than an insulator does The difference between conductors and insulators depends on how they are used ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode 11 mA 12 mA 14 mA 10 mA None of these 11 mA 12 mA 14 mA 10 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Like magnetic poles repel, while unlike poles attract Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract, while unlike poles repel None of these Current flowing through a conductor generates a magnetic field Like magnetic poles repel, while unlike poles attract Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract, while unlike poles repel None of these Current flowing through a conductor generates a magnetic field 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? 0.93 V 9.3 W None of these 0.041666666666667 0.93 W 0.93 V 9.3 W None of these 0.041666666666667 0.93 W ANSWER DOWNLOAD EXAMIANS APP
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