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 = IE None of these P = I2R I = P/E P = E2/R P = IE None of these P = I2R I = P/E P = E2/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 7.8 mA 200 mA 300 mA 208 mA None of these 7.8 mA 200 mA 300 mA 208 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The net charge of a neutral copper atom is 1 None of these 4 -1 1 None of these 4 -1 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A typical light switch in your home is a: toggle switch rotary switch knife switch momentary push button switch None of these toggle switch rotary switch knife switch momentary push button switch None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals None of these increases the level of all frequencies by a significant amount has no effect on ac signals passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals None of these increases the level of all frequencies by a significant amount has no effect on ac signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 60-W light bulb that is operating at 120 V? 7200 A 0.083333333333333 None of these 0.5A 180 A 7200 A 0.083333333333333 None of these 0.5A 180 A ANSWER DOWNLOAD EXAMIANS APP
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