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 None of these P = IE P = I2R P = E2/R I = P/E None of these P = IE P = I2R P = E2/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: None of these Negative charges Positive charges Crystals Atoms None of these Negative charges Positive charges Crystals Atoms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? 1 None of these 4 29 18 1 None of these 4 29 18 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the collector current increases, what does the current gain do? any of the above decreases stays the same None of these increases any of the above decreases stays the same None of these increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: Same as the primary current No more than 10% less than the primary current Twice the primary current None of these One-half the primary current Same as the primary current No more than 10% less than the primary current Twice the primary current None of these One-half the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? None of these Capacitive reactance provides the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow The ac voltage leads the current by 90 degree Resistances provide the only opposition to current flow None of these Capacitive reactance provides the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow The ac voltage leads the current by 90 degree Resistances provide the only opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
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