Electronic Principles Reducing the amount of current through an inductor: None of these multiplies the value of inductance by four reduces the value of inductance by one-half multiplies the value of inductance by two has no effect on the inductance None of these multiplies the value of inductance by four reduces the value of inductance by one-half multiplies the value of inductance by two has no effect on the inductance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 60 Ohm 754 Ohm 120 Ohm None of these 30 Ohm 60 Ohm 754 Ohm 120 Ohm None of these 30 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Thevenin resistance is equal in value to the Half the load resistance Load resistance Internal resistance of a Morton circuit None of these Open-load resistance Half the load resistance Load resistance Internal resistance of a Morton circuit None of these Open-load resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? None of these Valence electrons Doping Thermal energy Free electrons None of these Valence electrons Doping Thermal energy Free electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? 410 Ohm None of these 310 Ohm 550 Ohm 400 Ohm 410 Ohm None of these 310 Ohm 550 Ohm 400 Ohm 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 battery rotor None of these commutator armature battery rotor None of these commutator ANSWER DOWNLOAD EXAMIANS APP