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 = E2/R None of these P = IE I = P/E P = I2R P = E2/R None of these P = IE I = P/E P = I2R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has how many doped regions? 3 2 1 None of these 4 3 2 1 None of these 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? 20 k Ohm 1 k Ohm 2 k Ohm 10 k Ohm None of these 20 k Ohm 1 k Ohm 2 k Ohm 10 k Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A farad is defined as the amount of capacitance necessary for: storing 1 V for 1 second dissipating 1 W of power causing an ac phase shift greater than 90 degree changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing None of these storing 1 V for 1 second dissipating 1 W of power causing an ac phase shift greater than 90 degree changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the Q point moves along the load line, the voltage increases when the current Stays the same Increases None of these Can be any of above Decreases Stays the same Increases None of these Can be any of above Decreases 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? 20 A None of these 0.20833333333333 50 A 20 A None of these 0.20833333333333 50 A ANSWER DOWNLOAD EXAMIANS APP
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