Electronic Principles Which one of the following statements most accurately describes the nature of inductive reactance? Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is another term for counter emf None of these Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is another term for counter emf None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff? 100 Ohm 10 Ohm 20 Ohm None of these 30 Ohm 100 Ohm 10 Ohm 20 Ohm None of these 30 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Inductive reactance is measured in units of: henrys volts per second Ohm amperes per second None of these henrys volts per second Ohm amperes per second None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the impedance of a series RC circuit? The impedance is equal to the sum of the resistance and capacitive reactance None of these The impedance is greater than the sum of the resistance and capacitive reactance The impedance is less than the sum of the resistance and capacitive reactance The impedance is greater than either the resistance or capacitive reactance but less than their sum The impedance is equal to the sum of the resistance and capacitive reactance None of these The impedance is greater than the sum of the resistance and capacitive reactance The impedance is less than the sum of the resistance and capacitive reactance The impedance is greater than either the resistance or capacitive reactance but less than their sum ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 300 mA 208 mA 200 mA None of these 7.8 mA 300 mA 208 mA 200 mA None of these 7.8 mA 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: battery None of these rotor commutator armature battery None of these rotor commutator armature ANSWER DOWNLOAD EXAMIANS APP