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: None of these rotor armature battery commutator None of these rotor armature battery commutator ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff? 50 Ohm 10 Ohm 100 Ohm or more 60 Ohm None of these 50 Ohm 10 Ohm 100 Ohm or more 60 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? None of these 20 A 50 A 0.20833333333333 None of these 20 A 50 A 0.20833333333333 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm? 60 Ohm 99.3 Ohm 70.7Ohm 250 Ohm None of these 60 Ohm 99.3 Ohm 70.7Ohm 250 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the Q point moves along the load line, the voltage increases when the current None of these Stays the same Decreases Increases Can be any of above None of these Stays the same Decreases Increases Can be any of above ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately describes the nature of inductive reactance? Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is an opposition to current flow in dc circuits None of these Inductive reactance is another term for counter emf Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is an opposition to current flow in dc circuits None of these Inductive reactance is another term for counter emf ANSWER DOWNLOAD EXAMIANS APP
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