Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 37.4 V None of these 35.4 V 38.74 V 30.4 V 37.4 V None of these 35.4 V 38.74 V 30.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? One - a negative terminal Three - negative, positive and neutral terminals Four - two negative and two positive None of these Two - a negative terminal and a positive terminal One - a negative terminal Three - negative, positive and neutral terminals Four - two negative and two positive None of these Two - a negative terminal and a positive terminal ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: All of these their waveforms cross through zero and reach positive and negative peaks at the same time their waveforms are both ac or both dc None of these they have the same amplitude and frequency All of these their waveforms cross through zero and reach positive and negative peaks at the same time their waveforms are both ac or both dc None of these they have the same amplitude and frequency 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? Ammeter Ohmmeter Wattmeter None of these Voltmeter Ammeter Ohmmeter Wattmeter None of these Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a parallel RLC circuit? The sum of the current is always less than the applied current All of these None of these The current waveform for each component always has the same amplitude and phase as the applied current The voltage waveform for each component always has the same amplitude and phase as the applied voltage The sum of the current is always less than the applied current All of these None of these The current waveform for each component always has the same amplitude and phase as the applied current The voltage waveform for each component always has the same amplitude and phase as the applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? None of these An atom that contains more protons than neutrons An atom that contains more protons than electrons An atom that contains more electrons than protons An atom that contains more electrons than neutrons None of these An atom that contains more protons than neutrons An atom that contains more protons than electrons An atom that contains more electrons than protons An atom that contains more electrons than neutrons ANSWER DOWNLOAD EXAMIANS APP
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