Electronic Principles Which one of the following statements is true? Power dissipation of a pure capacitor decreases with operating frequency None of these Power dissipation of a pure capacitor increases 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 decreases with operating frequency None of these Power dissipation of a pure capacitor increases 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 If the current gain is 200 and the collector current is 100 mA, the base current is 0.083333333333333 0.5 mA 2 mA None of these 200 A 0.083333333333333 0.5 mA 2 mA None of these 200 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? None of these 24 V 30 V 18 V 12 V None of these 24 V 30 V 18 V 12 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The force that maintains lines of force The opposition to a build-up of magnetic fields The concentration of lines of magnetic force None of these The rate of change of the number of lines of magnetic force The force that maintains lines of force The opposition to a build-up of magnetic fields The concentration of lines of magnetic force None of these The rate of change of the number of lines of magnetic force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? Two - a negative terminal and a positive terminal Three - negative, positive and neutral terminals Four - two negative and two positive None of these One - a negative terminal Two - a negative terminal and a positive terminal Three - negative, positive and neutral terminals Four - two negative and two positive None of these One - a negative terminal ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 0 V None of these 60 V 40 V 36 V 0 V None of these 60 V 40 V 36 V ANSWER DOWNLOAD EXAMIANS APP
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