Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 200 mW 300 mW 10 mW 20 mW None of these 200 mW 300 mW 10 mW 20 mW None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: has no effect on the capacitive reactance None of these multiplies the capacitive reactance by 6.28 cuts the capacitive reactance in half doubles the amount of a capacitive reactance has no effect on the capacitive reactance None of these multiplies the capacitive reactance by 6.28 cuts the capacitive reactance in half doubles the amount of a capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Mechanical energy Solar energy None of these Electronical energy Chemical energy Mechanical energy Solar energy None of these Electronical energy Chemical energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: None of these solar cells piezoeletric cells voltage generators chemical cells None of these solar cells piezoeletric cells voltage generators chemical cells 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? 0.2 A None of these 0.4 A 0.6 A 0.3 A 0.2 A None of these 0.4 A 0.6 A 0.3 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current can flow through a normally open push button switch as long as: None of these its contact remain open its contact remain open you are not pressing the button you are pressing the button None of these its contact remain open its contact remain open you are not pressing the button you are pressing the button ANSWER DOWNLOAD EXAMIANS APP
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