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? I = P/E None of these P = IE P = E2/R P = I2R I = P/E None of these P = IE P = E2/R P = I2R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? 6 W 3 W 122 W 64 W None of these 6 W 3 W 122 W 64 W None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? 18 None of these 1 29 4 18 None of these 1 29 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is Trie force that causes electrons to flow None of these The flow of charged particles through a material The number of free electrons in an atom The smallest electrically charged particle Trie force that causes electrons to flow None of these The flow of charged particles through a material The number of free electrons in an atom The smallest electrically charged particle ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Equals the number of holes None of these Is less than the number of holes Impossible to say Is greater than the number of holes Equals the number of holes None of these Is less than the number of holes Impossible to say Is greater than the number of holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 350 µA 300 µA 0.25 µA None of these 250 µA 350 µA 300 µA 0.25 µA None of these 250 µA ANSWER DOWNLOAD EXAMIANS APP
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