Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 50 A 0.20833333333333 None of these 20 A 50 A 0.20833333333333 None of these 20 A 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? 0.05 mA 3.2 mA None of these 13 mA 3.75 mA 0.05 mA 3.2 mA None of these 13 mA 3.75 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true? All of these There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency Power dissipation of a pure capacitor decreases with operating frequency Power dissipation of a pure capacitor increases with operating frequency None of these All of these There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency Power dissipation of a pure capacitor decreases with operating frequency Power dissipation of a pure capacitor increases with operating frequency None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: multiplies the capacitive reactance by 7 None of these doubles the amount of capacitive reactance has no effect on the capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 7 None of these doubles the amount of capacitive reactance has no effect on the capacitive reactance cuts the capacitive reactance in half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current can flow through a normally open push button switch as long as: its contact remain open its contact remain open you are pressing the button None of these you are not pressing the button its contact remain open its contact remain open you are pressing the button None of these you are not pressing the button ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The valence electron of a copper atom experiences what kind of attraction toward the nucleus? Neutral Strong Weak Impossible to say None of these Neutral Strong Weak Impossible to say None of these ANSWER DOWNLOAD EXAMIANS APP
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