Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? None of these 0.955 A 0.02 A 2.02 A 0.41666666666667 None of these 0.955 A 0.02 A 2.02 A 0.41666666666667 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? An atom that contains more electrons than protons An atom that contains more protons than neutrons None of these An atom that contains more electrons than neutrons An atom that contains more protons than electrons An atom that contains more electrons than protons An atom that contains more protons than neutrons None of these An atom that contains more electrons than neutrons An atom that contains more protons than electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: solar cell photodiode None of these nicad cell piezoelectric device solar cell photodiode None of these nicad cell piezoelectric device ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals None of these has no effect on ac signals reduces the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals None of these has no effect on ac signals reduces the level of all frequencies by a significant amount 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 always increases as the applied frequency increases is maximum at the resonant frequency None of these always decreases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always increases as the applied frequency increases is maximum at the resonant frequency None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Waveforms are graphs that show: the passage of time on the vertical axis and amplitude on the horizontal axis amplitude on the vertical axis and the passage of time on the horizontal axis None of these frequency on the vertical axis and amplitude on the horizontal axis amplitude on the vertical axis and frequency on the horizontal axis the passage of time on the vertical axis and amplitude on the horizontal axis amplitude on the vertical axis and the passage of time on the horizontal axis None of these frequency on the vertical axis and amplitude on the horizontal axis amplitude on the vertical axis and frequency on the horizontal axis ANSWER DOWNLOAD EXAMIANS APP