Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 35.4 V 30.4 V 37.4 V None of these 38.74 V 35.4 V 30.4 V 37.4 V None of these 38.74 V ANSWER DOWNLOAD EXAMIANS APP
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 P = I2R P = E2/R I = P/E None of these P = IE P = I2R P = E2/R I = P/E None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal One - a negative terminal None of these Four - two negative and two positive Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal One - a negative terminal None of these Four - two negative and two positive ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Thevenin resistance is equal in value to the Internal resistance of a Morton circuit Open-load resistance Half the load resistance Load resistance None of these Internal resistance of a Morton circuit Open-load resistance Half the load resistance Load resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 0.20833333333333 20 A None of these 50 A 0.20833333333333 20 A None of these 50 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The knee voltage of a diode is approximately equal to the None of these Breakdown voltage Applied voltage Forward voltage Barrier potential None of these Breakdown voltage Applied voltage Forward voltage Barrier potential ANSWER DOWNLOAD EXAMIANS APP
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