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? None of these P = E2/R P = IE I = P/E P = I2R None of these P = E2/R P = IE I = P/E P = I2R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? None of these 0.6 A 0.3 A 0.4 A 0.2 A None of these 0.6 A 0.3 A 0.4 A 0.2 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 35.4 V 30.4 V 38.74 V None of these 37.4 V 35.4 V 30.4 V 38.74 V None of these 37.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is The smallest electrically charged particle Trie force that causes electrons to flow The number of free electrons in an atom The flow of charged particles through a material None of these The smallest electrically charged particle Trie force that causes electrons to flow The number of free electrons in an atom The flow of charged particles through a material None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff? None of these 100 Ohm or more 10 Ohm 60 Ohm 50 Ohm None of these 100 Ohm or more 10 Ohm 60 Ohm 50 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the current gain is 200 and the collector current is 100 mA, the base current is 0.5 mA None of these 200 A 0.083333333333333 2 mA 0.5 mA None of these 200 A 0.083333333333333 2 mA ANSWER DOWNLOAD EXAMIANS APP
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