Electronic Principles Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs? P = I2R P = E2/R None of these P = IE I = P/E P = I2R P = E2/R None of these P = IE I = P/E 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 None of these battery rotor armature commutator None of these battery rotor armature ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts light energy to electrical energy is called a: photodiode thermocouple photo transistor None of these solar cell photodiode thermocouple photo transistor None of these solar cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductance of a series inductor circuit is: equal to the sum of the individual inductive-reactance values None of these equal to the source voltage divided by total current less than the value of the smallest inductor equal to the sum of the individual inductance values equal to the sum of the individual inductive-reactance values None of these equal to the source voltage divided by total current less than the value of the smallest inductor equal to the sum of the individual inductance values ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The dielectric constant of a material is a measure of: how well the material concentrates magnetic lines of force how well the material concentrates electrostatic lines of force None of these the amount of voltage it can withstand before breaking down the amount of opposition to the current flow how well the material concentrates magnetic lines of force how well the material concentrates electrostatic lines of force None of these the amount of voltage it can withstand before breaking down the amount of opposition to the current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? All of these Current and voltages are in phase through a resistor Current lags the voltage through a resistor None of these Current leads the voltage through a resistor All of these Current and voltages are in phase through a resistor Current lags the voltage through a resistor None of these Current leads the voltage through a resistor ANSWER DOWNLOAD EXAMIANS APP
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