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? 0.3 A 0.4 A None of these 0.2 A 0.6 A 0.3 A 0.4 A None of these 0.2 A 0.6 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: None of these passes lower-frequency signals and reduces higher-frequency signals passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals increases the level of all frequencies by a significant amount None of these passes lower-frequency signals and reduces higher-frequency signals passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals increases the level of all frequencies by a significant amount ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has None of these many holes No holes a few free electrons and holes many free electrons None of these many holes No holes a few free electrons and holes many free electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: nicad cell piezoelectric device photodiode None of these solar cell nicad cell piezoelectric device photodiode None of these solar cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which is the most widely used semiconductor? Germanium Copper Silicon All of these None of these Germanium Copper Silicon All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a transistor operates at the middle of the load line, an increase in the base resistance will move the Q point None of these off the load line up nowhere down None of these off the load line up nowhere down ANSWER DOWNLOAD EXAMIANS APP
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