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 I = P/E None of these P = IE P = I2R P = E2/R I = P/E None of these P = IE ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: None of these the amplitude at 1.41 times the maximum value the amplitude at 90% of the maximum value the maximum positive or negative value the amplitude at 70.7% of the maximum value None of these the amplitude at 1.41 times the maximum value the amplitude at 90% of the maximum value the maximum positive or negative value the amplitude at 70.7% of the maximum value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current? 1750 mA 1.75 mA None of these 175 mA 17.5 mA 1750 mA 1.75 mA None of these 175 mA 17.5 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? 24.2 mA 28.4 mA 68.4 mA None of these 34.4 mA 24.2 mA 28.4 mA 68.4 mA None of these 34.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: loop armature None of these brush commutator loop armature None of these brush commutator ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The valence electron of a copper atom experiences what kind of attraction toward the nucleus? Weak Neutral Strong None of these Impossible to say Weak Neutral Strong None of these Impossible to say ANSWER DOWNLOAD EXAMIANS APP
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