Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 208 mA 200 mA None of these 7.8 mA 300 mA 208 mA 200 mA None of these 7.8 mA 300 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the algebraic sum of this series of values:+2, -3, -6,+4? None of these 2 -3 -6 None of these 2 -3 -6 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 2 m V per degree Celsius 0.3V 0.7V 1 V None of these 2 m V per degree Celsius 0.3V 0.7V 1 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: doubles the amount of a capacitive reactance None of these cuts the capacitive reactance in half has no effect on the capacitive reactance multiplies the capacitive reactance by 6.28 doubles the amount of a capacitive reactance None of these cuts the capacitive reactance in half has no effect on the capacitive reactance multiplies the capacitive reactance by 6.28 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: multiplies the value of inductance by four reduces the value of inductance by one-half has no effect on the inductance multiplies the value of inductance by two None of these multiplies the value of inductance by four reduces the value of inductance by one-half has no effect on the inductance multiplies the value of inductance by two None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Who invented the first junction transistor? Smith Shockley None of these Fisher Gomes Smith Shockley None of these Fisher Gomes ANSWER DOWNLOAD EXAMIANS APP
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