Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Ammeter Wattmeter Ohmmeter Voltmeter None of these Ammeter Wattmeter Ohmmeter Voltmeter None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 1 V 0.3V None of these 0.7V 2 m V per degree Celsius 1 V 0.3V None of these 0.7V 2 m V per degree Celsius ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a: None of these parallel RC circuit parallel RLC circuit operated above its resonant frequency parallel RL circuit purely resistive circuit None of these parallel RC circuit parallel RLC circuit operated above its resonant frequency parallel RL circuit purely resistive circuit 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 All of these their waveforms are both ac or both dc they have the same amplitude and frequency their waveforms cross through zero and reach positive and negative peaks at the same time None of these All of these their waveforms are both ac or both dc they have the same amplitude and frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Molecule is A atom that has an excessive number of electrons in its outer orbit A atom that has a shortage of electrons in its outer orbit The smallest particle of a substance that retains the properties of that substance None of these A atom that flows whenever there is an imbalance of electrical charges between two points A atom that has an excessive number of electrons in its outer orbit A atom that has a shortage of electrons in its outer orbit The smallest particle of a substance that retains the properties of that substance None of these A atom that flows whenever there is an imbalance of electrical charges between two points 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 4 0.5 None of these 0.25 180 4 0.5 None of these 0.25 ANSWER DOWNLOAD EXAMIANS APP
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