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 Like magnetic poles attract, while unlike poles repel None of these 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 Like magnetic poles attract, while unlike poles repel None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of KirchhofFs voltage law? The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The total voltage in a parallel circuit is less than the value of the smallest voltage None of these The algebraic sum of voltages in a loop is equal to zero 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 total voltage in a parallel circuit is less than the value of the smallest voltage None of these The algebraic sum of voltages in a loop is equal to zero The algebraic sum of voltages entering and leaving a point is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Norton current is sometimes called the Shorted-load current Open-load current None of these Thevenin voltage Thevenin current Shorted-load current Open-load current None of these Thevenin voltage Thevenin current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: always decreases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance None of these always increases as the applied frequency increases is maximum at the resonant frequency always decreases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance None of these always increases as the applied frequency increases is maximum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a series RLC circuit? The current waveform for each component always has the same amplitude and phase as the applied current The sum of the current is always less than the applied current All of these The voltage waveform for each component always has the same amplitude and phase as the applied voltage None of these The current waveform for each component always has the same amplitude and phase as the applied current The sum of the current is always less than the applied current All of these The voltage waveform for each component always has the same amplitude and phase as the applied voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 60-W light bulb that is operating at 120 V? 0.5A None of these 180 A 7200 A 0.083333333333333 0.5A None of these 180 A 7200 A 0.083333333333333 ANSWER DOWNLOAD EXAMIANS APP
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