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: rotor armature None of these commutator battery rotor armature None of these commutator battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 200 W 100 W None of these 1000 W 20 W 200 W 100 W None of these 1000 W 20 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: always increases as the applied frequency increases is maximum at the resonant frequency always decreases as the applied frequency increases None of these is minimum at the resonant frequency always increases as the applied frequency increases is maximum at the resonant frequency always decreases as the applied frequency increases None of these is minimum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it? E = I2R E = PR I = ER I = E/R None of these E = I2R E = PR I = ER I = E/R None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values? None of these 0.041666666666667 0.93 W 0.93 V 9.3 W None of these 0.041666666666667 0.93 W 0.93 V 9.3 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? Same number as free electrons less than the free electrons many None of these Only those produced by thermal energy Same number as free electrons less than the free electrons many None of these Only those produced by thermal energy ANSWER DOWNLOAD EXAMIANS APP