Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Wattmeter Ohmmeter None of these Ammeter Voltmeter Wattmeter Ohmmeter None of these Ammeter Voltmeter 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? 0.041666666666667 0.93 W 0.93 V 9.3 W None of these 0.041666666666667 0.93 W 0.93 V 9.3 W None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts light energy to electrical energy is called a: photodiode photo transistor thermocouple solar cell None of these photodiode photo transistor thermocouple solar cell None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of KirchhofFs voltage law? None of these The total voltage in a parallel circuit is less than the value of the smallest voltage The algebraic sum of voltages entering and leaving a point is equal to zero The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of voltages in a loop is equal to zero None of these The total voltage in a parallel circuit is less than the value of the smallest voltage The algebraic sum of voltages entering and leaving a point is equal to zero The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of voltages in a loop is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? 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 None of these Like magnetic poles attract, while unlike poles repel 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 None of these Like magnetic poles attract, while unlike poles repel ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: their waveforms cross through zero and reach positive and negative peaks at the same time None of these they have the same amplitude and frequency All of these their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time None of these they have the same amplitude and frequency All of these their waveforms are both ac or both dc ANSWER DOWNLOAD EXAMIANS APP
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