Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 180 4 None of these 0.5 0.25 180 4 None of these 0.5 0.25 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A basic capacitor is composed of: two conductors separated by a dielectric two coils separated by a conductor None of these two dielectrics separated by a conductor two coils separated by a dielectric two conductors separated by a dielectric two coils separated by a conductor None of these two dielectrics separated by a conductor two coils separated by a dielectric ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: None of these oscillators generators lightning batteries None of these oscillators generators lightning batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source? 157 raA 0.151 mA None of these 0.995 mA 2.02 A 157 raA 0.151 mA None of these 0.995 mA 2.02 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the base supply voltage increases, the Q point moves nowhere off the load line None of these down up nowhere off the load line None of these down up ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Current is induced in a conductor that is moving through a magnetic field None of these Like magnetic poles attract, while unlike poles repel Current flowing through a conductor generates a magnetic field Like magnetic poles repel, while unlike poles attract Current is induced in a conductor that is moving through a magnetic field None of these Like magnetic poles attract, while unlike poles repel Current flowing through a conductor generates a magnetic field Like magnetic poles repel, while unlike poles attract ANSWER DOWNLOAD EXAMIANS APP
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