Electronic Principles Current and voltage are said to be in phase when: None of these they have the same amplitude and frequency All of these their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time None of these they have the same amplitude and frequency All of these their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature None of these Stays the same 0oC Decreases Increases None of these Stays the same 0oC Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The basic unit of measurement for resistance is the: ohm watt volt None of these ampere ohm watt volt None of these ampere ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: Positive charges None of these Negative charges Crystals Atoms Positive charges None of these Negative charges Crystals Atoms ANSWER DOWNLOAD EXAMIANS APP
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 P = IE None of these P = I2R I = P/E P = E2/R P = IE None of these P = I2R I = P/E ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Thevenin resistance is equal in value to the Load resistance None of these Internal resistance of a Morton circuit Open-load resistance Half the load resistance Load resistance None of these Internal resistance of a Morton circuit Open-load resistance Half the load resistance ANSWER DOWNLOAD EXAMIANS APP