Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? None of these Solar energy Mechanical energy Chemical energy Electronical energy None of these Solar energy Mechanical energy Chemical energy Electronical energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Positive ions are atoms that have Gained an electron None of these Lost an electron Lost a proton Gained a proton Gained an electron None of these Lost an electron Lost a proton Gained a proton ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that has no electrical charge An electron that costs nothing An electron that has been freed from its parent atom An electron that has twice the amount of charge of a normal electron None of these An electron that has no electrical charge An electron that costs nothing An electron that has been freed from its parent atom An electron that has twice the amount of charge of a normal electron None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 0.25 µA None of these 250 µA 350 µA 300 µA 0.25 µA None of these 250 µA 350 µA 300 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a series RLC circuit is operating at its resonant frequency: capacitive reactance is greater than the inductive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is greater than the capacitive reactance inductive reactance is equal to the capacitive reactance None of these capacitive reactance is greater than the inductive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is greater than the capacitive reactance inductive reactance is equal to the capacitive reactance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current leads the voltage by 90 degree ac current lags the voltage by 90 degree ac current is converted to dc voltage ac current and voltage are exactly in phase None of these ac current leads the voltage by 90 degree ac current lags the voltage by 90 degree ac current is converted to dc voltage ac current and voltage are exactly in phase None of these ANSWER DOWNLOAD EXAMIANS APP
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