Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform? The higher the amplitude of a waveform, the higher its frequency The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz None of these The actual frequency of a sine waveform is 1.41 times the working frequency The higher the amplitude of a waveform, the higher its frequency The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz None of these The actual frequency of a sine waveform is 1.41 times the working frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is None of these The smallest electrically charged particle The number of free electrons in an atom The flow of charged particles through a material Trie force that causes electrons to flow None of these The smallest electrically charged particle The number of free electrons in an atom The flow of charged particles through a material Trie force that causes electrons to flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has a few free electrons and holes many holes No holes many free electrons None of these a few free electrons and holes many holes No holes many free electrons None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? Resistances provide the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow The ac voltage leads the current by 90 degree Capacitive reactance provides the only opposition to current flow None of these Resistances provide the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow The ac voltage leads the current by 90 degree Capacitive reactance provides the only opposition to current flow None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles One henry of inductance is defined as: None of these the number of turns of wire in an inductor multiplied by the amount of current flowing through it the amount of counter emf required to reduce a current to 1 A the amount of inductance required to change the frequency of a current by 1 Hz the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second None of these the number of turns of wire in an inductor multiplied by the amount of current flowing through it the amount of counter emf required to reduce a current to 1 A the amount of inductance required to change the frequency of a current by 1 Hz the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? None of these I = P/E P = E2/R P = PR R = E2/P None of these I = P/E P = E2/R P = PR R = E2/P ANSWER DOWNLOAD EXAMIANS APP