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 None of these P = IE I = P/E P = I2R P = E2/R None of these P = IE I = P/E ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? Four - two negative and two positive Two - a negative terminal and a positive terminal One - a negative terminal Three - negative, positive and neutral terminals None of these Four - two negative and two positive Two - a negative terminal and a positive terminal One - a negative terminal Three - negative, positive and neutral terminals None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How many types of flow are there in a semiconductor? 1 3 None of these 2 1 3 None of these 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-opposing form. If the sources are rated at 6 V and 9 V, what is the total source voltage? None of these 16 V 3 V 7.5 V 8 V None of these 16 V 3 V 7.5 V 8 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? 400 Ohm 310 Ohm 550 Ohm None of these 410 Ohm 400 Ohm 310 Ohm 550 Ohm None of these 410 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 60-W light bulb that is operating at 120 V? 0.083333333333333 0.5A None of these 180 A 7200 A 0.083333333333333 0.5A None of these 180 A 7200 A ANSWER DOWNLOAD EXAMIANS APP
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