Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W? None of these 88.8 ohm 77.7 ohm 89.3 ohm 224 ohm None of these 88.8 ohm 77.7 ohm 89.3 ohm 224 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current? P = I2R I = P/E None of these P = E2/R P = IE P = I2R I = P/E None of these P = E2/R P = IE ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? None of these Current lags the voltage through a resistor Current leads the voltage through a resistor All of these Current and voltages are in phase through a resistor None of these Current lags the voltage through a resistor Current leads the voltage through a resistor All of these Current and voltages are in phase through a resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true? Power dissipation of a pure capacitor increases with operating frequency All of these None of these There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency Power dissipation of a pure capacitor decreases with operating frequency Power dissipation of a pure capacitor increases with operating frequency All of these None of these There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency Power dissipation of a pure capacitor decreases with operating frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? One - a negative terminal None of these Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal Four - two negative and two positive One - a negative terminal None of these Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal Four - two negative and two positive ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts thermal energy to electrical energy is called a: solar cell thermocouple chemical cell piezoelectric devices None of these solar cell thermocouple chemical cell piezoelectric devices None of these ANSWER DOWNLOAD EXAMIANS APP
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