Electronic Principles A device that converts chemical energy to electrical energy is called a: electric device chemical cell None of these solar cell thermocouple electric device chemical cell None of these solar cell thermocouple 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: commutator battery armature None of these rotor commutator battery armature None of these rotor 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 70.7Ohm 250 Ohm 99.3 Ohm None of these 60 Ohm 70.7Ohm 250 Ohm 99.3 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.2 mA 3.75 mA 0.05 mA 13 mA None of these 3.2 mA 3.75 mA 0.05 mA 13 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? All of these Current lags the voltage through a resistor Current and voltages are in phase through a resistor None of these Current leads the voltage through a resistor All of these Current lags the voltage through a resistor Current and voltages are in phase through a resistor None of these Current leads the voltage through a resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: None of these always increases as the applied frequency increases is maximum at the resonant frequency is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always decreases as the applied frequency increases None of these always increases as the applied frequency increases is maximum at the resonant frequency is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always decreases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
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