Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of less than 10 Ohm At least 10 Ohm More than 100 k Ohm None of these Less than 100 k Ohm less than 10 Ohm At least 10 Ohm More than 100 k Ohm None of these Less than 100 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: None of these always decreases as the applied frequency increases always increases as the applied frequency increases is maximum at the resonant frequency is minimum at the resonant frequency None of these always decreases as the applied frequency increases always increases as the applied frequency increases is maximum at the resonant frequency is minimum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the highest permeability? All of these None of these A diamagnetic material A ferromagnetic material A paramagnetic material All of these None of these A diamagnetic material A ferromagnetic material A paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a series RLC circuit has the characteristics of a: series RC circuit series RLC circuit operated below its resonant frequency purely resistive circuit None of these series RL circuit series RC circuit series RLC circuit operated below its resonant frequency purely resistive circuit None of these series RL circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 180 0.5 0.25 4 None of these 180 0.5 0.25 4 None of these 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: rotor armature battery None of these commutator rotor armature battery None of these commutator ANSWER DOWNLOAD EXAMIANS APP
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