Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 2 43891 3 None of these 43922 2 43891 3 None of these 43922 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? 0.995 mA 0.151 mA None of these 157 raA 2.02 A 0.995 mA 0.151 mA None of these 157 raA 2.02 A ANSWER DOWNLOAD EXAMIANS APP
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 0.6 A None of these 0.2 A 0.4 A 0.3 A 0.6 A None of these 0.2 A 0.4 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a: None of these parallel RL circuit parallel RLC circuit operated above its resonant frequency parallel RC circuit purely resistive circuit None of these parallel RL circuit parallel RLC circuit operated above its resonant frequency parallel RC circuit purely resistive circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of a generator? None of these Current flowing through a conductor generates a magnetic field Like magnetic poles attract; unlike poles repel Current is induced in a conductor that is moving through a magnetic field Like magnetic poles repel; unlike poles attract None of these Current flowing through a conductor generates a magnetic field Like magnetic poles attract; unlike poles repel Current is induced in a conductor that is moving through a magnetic field Like magnetic poles repel; unlike poles attract ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.75 mA 13 mA 0.05 mA None of these 3.2 mA 3.75 mA 13 mA 0.05 mA None of these 3.2 mA ANSWER DOWNLOAD EXAMIANS APP
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