Electronic Principles What is the smallest number of polarities required for current flow? Two - a negative terminal and a positive terminal Three - negative, positive and neutral terminals Four - two negative and two positive One - a negative terminal None of these Two - a negative terminal and a positive terminal Three - negative, positive and neutral terminals Four - two negative and two positive One - a negative terminal None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current? P = E2/R I = P/E P = I2R None of these P = IE P = E2/R I = P/E P = I2R None of these P = IE ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has a Norton current of 10 mA and a Norton resistance of 10 kW. What is the Thevenin circuit? 1000 V and a parallel resistance of 10 kOhm 100 V and a series resistance of 10 k Ohm 100 V and a parallel resistance of 10 k Ohm 1000 V and a series resistance of 10 k Ohm None of these 1000 V and a parallel resistance of 10 kOhm 100 V and a series resistance of 10 k Ohm 100 V and a parallel resistance of 10 k Ohm 1000 V and a series resistance of 10 k Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Secondary voltage Primary voltage Impossible to say Neither None of these Secondary voltage Primary voltage Impossible to say Neither None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Positive ions are atoms that have Lost an electron Gained an electron Lost a proton Gained a proton None of these Lost an electron Gained an electron Lost a proton Gained a proton None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: None of these their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency All of these their waveforms are both ac or both dc None of these their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency All of these their waveforms are both ac or both dc ANSWER DOWNLOAD EXAMIANS APP
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