Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? 0.41666666666667 0.02 A 2.02 A None of these 0.955 A 0.41666666666667 0.02 A 2.02 A None of these 0.955 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? Current lags the voltage through a resistor None of these All of these Current and voltages are in phase through a resistor Current leads the voltage through a resistor Current lags the voltage through a resistor None of these All of these Current and voltages are in phase through a resistor Current leads the voltage through a resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The dielectric constant of a material is a measure of: how well the material concentrates magnetic lines of force the amount of opposition to the current flow the amount of voltage it can withstand before breaking down how well the material concentrates electrostatic lines of force None of these how well the material concentrates magnetic lines of force the amount of opposition to the current flow the amount of voltage it can withstand before breaking down how well the material concentrates electrostatic lines of force None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: increasing the frequency of the applied voltage None of these decreasing the area of the plates increasing the voltage applied to the plates increasing the area of the plates increasing the frequency of the applied voltage None of these decreasing the area of the plates increasing the voltage applied to the plates increasing the area of the plates ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: they have the same amplitude and frequency None of these their waveforms cross through zero and reach positive and negative peaks at the same time All of these their waveforms are both ac or both dc they have the same amplitude and frequency None of these their waveforms cross through zero and reach positive and negative peaks at the same time All of these their waveforms are both ac or both dc ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has None of these a few free electrons and holes many holes many free electrons No holes None of these a few free electrons and holes many holes many free electrons No holes ANSWER DOWNLOAD EXAMIANS APP