Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 30.4 V None of these 35.4 V 38.74 V 37.4 V 30.4 V None of these 35.4 V 38.74 V 37.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Magnetomotive force Flux density None of these Number of lines of force Reluctance Magnetomotive force Flux density None of these Number of lines of force Reluctance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? Magnetomotive force Flux density Reluctance None of these Number of lines of force Magnetomotive force Flux density Reluctance None of these Number of lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? Inductive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow The ac voltage lags the current by 90 degree None of these Combinations of resistance and inductive reactance provide any opposition to current flow Inductive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow The ac voltage lags the current by 90 degree None of these Combinations of resistance and inductive reactance provide any opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: cuts the current through the inductors one-half None of these increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit has no effect on the current through the inductors doubles the amount of current through the inductors cuts the current through the inductors one-half None of these increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit has no effect on the current through the inductors doubles the amount of current through the inductors ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of a generator? Like magnetic poles repel; unlike poles attract Like magnetic poles attract; unlike poles repel None of these Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field Like magnetic poles repel; unlike poles attract Like magnetic poles attract; unlike poles repel None of these Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field ANSWER DOWNLOAD EXAMIANS APP
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