Electronic Principles When the collector current increases, what does the current gain do? increases stays the same any of the above decreases None of these increases stays the same any of the above decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: is minimum at the resonant frequency always decreases as the applied frequency increases None of these is maximum at the resonant frequency always increases as the applied frequency increases is minimum at the resonant frequency always decreases as the applied frequency increases None of these is maximum at the resonant frequency always increases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has many free electrons None of these many holes a few free electrons and holes No holes many free electrons None of these many holes a few free electrons and holes No holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: peak both the voltage and current waveforms peak the voltage and round off the current waveforms None of these round off both the voltage and current waveforms peak the current and round off the voltage waveforms peak both the voltage and current waveforms peak the voltage and round off the current waveforms None of these round off both the voltage and current waveforms peak the current and round off the voltage waveforms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the: armature None of these commutator rotor battery armature None of these commutator rotor battery ANSWER DOWNLOAD EXAMIANS APP
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