Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? Flux density Reluctance Number of lines of force None of these Magnetomotive force Flux density Reluctance Number of lines of force None of these Magnetomotive force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: always increases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance None of these always decreases as the applied frequency increases is maximum at the resonant frequency always increases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance None of these always decreases as the applied frequency increases is maximum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductive reactance of a parallel inductor circuit is: less than the inductance value of the smallest inductor equal to the sum of the individual inductive-reactance values None of these equal to the source voltage divided by total current equal to the sum of the individual inductance values less than the inductance value of the smallest inductor equal to the sum of the individual inductive-reactance values None of these equal to the source voltage divided by total current equal to the sum of the individual inductance values ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? less than the free electrons None of these Same number as free electrons Only those produced by thermal energy many less than the free electrons None of these Same number as free electrons Only those produced by thermal energy many ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 150 ohm None of these 445 ohm 690 ohm 220 ohm 150 ohm None of these 445 ohm 690 ohm 220 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: armature None of these commutator brush loop armature None of these commutator brush loop ANSWER DOWNLOAD EXAMIANS APP