Electronic Principles Which one of the following phrases best describes residual magnetism? The circular magnetic field that surrounds a conductor carrying a current Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The force of attraction between the poles of a permanent and temporary magnetic field The amount of magnetic flux that is not confined to the core material of an electromagnet None of these The circular magnetic field that surrounds a conductor carrying a current Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The force of attraction between the poles of a permanent and temporary magnetic field The amount of magnetic flux that is not confined to the core material of an electromagnet None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For normal operation of the transistor, the collector diode has to be None of these Forward-biased Operating in the breakdown region Nonconducting Reverse-biased None of these Forward-biased Operating in the breakdown region Nonconducting Reverse-biased ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The dielectric constant of a material is a measure of: the amount of opposition to the current flow None of these how well the material concentrates magnetic lines of force the amount of voltage it can withstand before breaking down how well the material concentrates electrostatic lines of force the amount of opposition to the current flow None of these how well the material concentrates magnetic lines of force the amount of voltage it can withstand before breaking down how well the material concentrates electrostatic lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? 100 W 20 W 200 W 1000 W None of these 100 W 20 W 200 W 1000 W None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the diameter of the coil in an inductor: multiplies the value of inductance by two reduces the value of inductance by one-half None of these reduces the value of inductance by one-fourth multiplies the value of inductance by four multiplies the value of inductance by two reduces the value of inductance by one-half None of these reduces the value of inductance by one-fourth multiplies the value of inductance by four ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the impedance of a series RC circuit? None of these The impedance is greater than the sum of the resistance and capacitive reactance The impedance is less than the sum of the resistance and capacitive reactance The impedance is equal to the sum of the resistance and capacitive reactance The impedance is greater than either the resistance or capacitive reactance but less than their sum None of these The impedance is greater than the sum of the resistance and capacitive reactance The impedance is less than the sum of the resistance and capacitive reactance The impedance is equal to the sum of the resistance and capacitive reactance The impedance is greater than either the resistance or capacitive reactance but less than their sum ANSWER DOWNLOAD EXAMIANS APP
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