Electronic Principles Which one of the following statements is true? Power dissipation of a pure capacitor increases with operating frequency None of these Power dissipation of a pure capacitor decreases with operating frequency There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency All of these Power dissipation of a pure capacitor increases with operating frequency None of these Power dissipation of a pure capacitor decreases with operating frequency There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source? 2.02 A None of these 157 raA 0.151 mA 0.995 mA 2.02 A None of these 157 raA 0.151 mA 0.995 mA 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? 300 µA 250 µA None of these 0.25 µA 350 µA 300 µA 250 µA None of these 0.25 µA 350 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? None of these 0.1 A 1000 A 0.41666666666667 100 A None of these 0.1 A 1000 A 0.41666666666667 100 A 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: Twice the primary current One-half the primary current Same as the primary current None of these No more than 10% less than the primary current Twice the primary current One-half the primary current Same as the primary current None of these No more than 10% less than the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? 200 k Ohm or more 20 km or less 20 k Ohm or more 200 k Ohm or less None of these 200 k Ohm or more 20 km or less 20 k Ohm or more 200 k Ohm or less None of these ANSWER DOWNLOAD EXAMIANS APP
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