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? I = P/E P = E2/R P = I2R P = IE None of these I = P/E P = E2/R P = I2R P = IE None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the phase shift between total current and voltage, if 100 ohm resistor connected in parallel with an inductor that has a reactance of 200W? None of these 90 degree 0 degree 180 degree 26.6 degree None of these 90 degree 0 degree 180 degree 26.6 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? None of these 692.2 Ohm 844.5 Ohm 3890 Ohm 1234 Ohm None of these 692.2 Ohm 844.5 Ohm 3890 Ohm 1234 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that costs nothing An electron that has no electrical charge None of these An electron that has been freed from its parent atom An electron that has twice the amount of charge of a normal electron An electron that costs nothing An electron that has no electrical charge None of these An electron that has been freed from its parent atom An electron that has twice the amount of charge of a normal electron ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: None of these the amplitude at 70.7% of the maximum value the amplitude at 90% of the maximum value the maximum positive or negative value the amplitude at 1.41 times the maximum value None of these the amplitude at 70.7% of the maximum value the amplitude at 90% of the maximum value the maximum positive or negative value the amplitude at 1.41 times the maximum value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: increases the level of all frequencies by a significant amount None of these passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals increases the level of all frequencies by a significant amount None of these passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals ANSWER DOWNLOAD EXAMIANS APP
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