Electronic Principles Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA? 20 V 0.17 V 10.17 V None of these 18.8 V 20 V 0.17 V 10.17 V None of these 18.8 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: piezoeletric cells chemical cells voltage generators solar cells None of these piezoeletric cells chemical cells voltage generators solar cells None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? 122 W None of these 6 W 3 W 64 W 122 W None of these 6 W 3 W 64 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the current gain is 200 and the collector current is 100 mA, the base current is 0.083333333333333 2 mA 200 A 0.5 mA None of these 0.083333333333333 2 mA 200 A 0.5 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: their waveforms are both ac or both dc All of these None of these they have the same amplitude and frequency their waveforms cross through zero and reach positive and negative peaks at the same time their waveforms are both ac or both dc All of these None of these they have the same amplitude and frequency their waveforms cross through zero and reach positive and negative peaks at the same time ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: No more than 10% less than the primary current Same as the primary current Twice the primary current None of these One-half the primary current No more than 10% less than the primary current Same as the primary current Twice the primary current None of these One-half the primary current ANSWER DOWNLOAD EXAMIANS APP
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