Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? 0.955 A 2.02 A None of these 0.02 A 0.41666666666667 0.955 A 2.02 A None of these 0.02 A 0.41666666666667 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 20 mW 300 mW None of these 200 mW 10 mW 20 mW 300 mW None of these 200 mW 10 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Primary voltage None of these Secondary voltage Neither Impossible to say Primary voltage None of these Secondary voltage Neither Impossible to say ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The rate of change of the number of lines of magnetic force The concentration of lines of magnetic force The opposition to a build-up of magnetic fields The force that maintains lines of force None of these The rate of change of the number of lines of magnetic force The concentration of lines of magnetic force The opposition to a build-up of magnetic fields The force that maintains lines of force 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? 64 W 3 W 6 W 122 W None of these 64 W 3 W 6 W 122 W None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: doubles the amount of total current has no effect on the total circuit current thrice the amount of total current cuts the total current by one-half None of these doubles the amount of total current has no effect on the total circuit current thrice the amount of total current cuts the total current by one-half None of these ANSWER DOWNLOAD EXAMIANS APP
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