Electronic Principles Current and voltage are said to be in phase when: None of these their waveforms are both ac or both dc All of these 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 their waveforms are both ac or both dc All of these they have the same amplitude and frequency their waveforms cross through zero and reach positive and negative peaks at the same time ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts thermal energy to electrical energy is called a: thermocouple piezoelectric devices solar cell None of these chemical cell thermocouple piezoelectric devices solar cell None of these chemical cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a series RLC circuit is operating at its resonant frequency: inductive reactance is equal to the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is greater than the capacitive reactance capacitive reactance is greater than the inductive reactance None of these inductive reactance is equal to the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is greater than the capacitive reactance capacitive reactance is greater than the inductive reactance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? An atom that contains more protons than neutrons None of these An atom that contains more electrons than protons An atom that contains more electrons than neutrons An atom that contains more protons than electrons An atom that contains more protons than neutrons None of these An atom that contains more electrons than protons An atom that contains more electrons than neutrons An atom that contains more protons than electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For normal operation of the transistor, the collector diode has to be Reverse-biased Forward-biased None of these Nonconducting Operating in the breakdown region Reverse-biased Forward-biased None of these Nonconducting Operating in the breakdown region ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: Same as the primary current Twice the primary current One-half the primary current No more than 10% less than the primary current None of these Same as the primary current Twice the primary current One-half the primary current No more than 10% less than the primary current None of these ANSWER DOWNLOAD EXAMIANS APP
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