Electronic Principles A device that converts thermal energy to electrical energy is called a: chemical cell thermocouple piezoelectric devices solar cell None of these chemical cell thermocouple piezoelectric devices solar cell None of these 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 reduces the level of all frequencies by a significant amount None of these has no effect on ac signals passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals reduces the level of all frequencies by a significant amount None of these has no effect on ac signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: the time required to complete one full cycle equal to 0.707 times the peak amplitude equal to 1.41 times the peak amplitude None of these the number of cycles completed in one second the time required to complete one full cycle equal to 0.707 times the peak amplitude equal to 1.41 times the peak amplitude None of these the number of cycles completed in one second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of Kirchhoffs current law? The algebraic sum of currents in a loop is equal to zero The current through a resistance is proportional to the value of resistance and the IR drop across it None of these The algebraic sum of currents entering and leaving a point is equal to zero The total current in a parallel circuit is less than the value of the smallest current The algebraic sum of currents in a loop is equal to zero The current through a resistance is proportional to the value of resistance and the IR drop across it None of these The algebraic sum of currents entering and leaving a point is equal to zero The total current in a parallel circuit is less than the value of the smallest current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a series RLC circuit? None of these The current waveform for each component always has the same amplitude and phase as the applied current The voltage waveform for each component always has the same amplitude and phase as the applied voltage The sum of the current is always less than the applied current All of these None of these The current waveform for each component always has the same amplitude and phase as the applied current The voltage waveform for each component always has the same amplitude and phase as the applied voltage The sum of the current is always less than the applied current All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: None of these brush loop commutator armature None of these brush loop commutator armature ANSWER DOWNLOAD EXAMIANS APP