Electronic Principles The rotating coil of wire in an electric motor is called the: commutator armature brush None of these loop commutator armature brush None of these loop ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: is maximum at the resonant frequency is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always decreases as the applied frequency increases always increases as the applied frequency increases None of these is maximum at the resonant frequency is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always decreases as the applied frequency increases always increases as the applied frequency increases None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true? Power dissipation of a pure capacitor increases with operating frequency There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency None of these All of these Power dissipation of a pure capacitor decreases with operating frequency Power dissipation of a pure capacitor increases with operating frequency There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency None of these All of these Power dissipation of a pure capacitor decreases with operating frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Emit light Amplify weak signals None of these Rectify line voltage Regulate voltage Emit light Amplify weak signals None of these Rectify line voltage Regulate voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? R = E2/P None of these P = E2/R I = P/E P = PR R = E2/P None of these P = E2/R I = P/E P = PR ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: None of these decreasing the area of the plates increasing the frequency of the applied voltage increasing the area of the plates increasing the voltage applied to the plates None of these decreasing the area of the plates increasing the frequency of the applied voltage increasing the area of the plates increasing the voltage applied to the plates ANSWER DOWNLOAD EXAMIANS APP