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? 0.1 A 1000 A 100 A None of these 0.41666666666667 0.1 A 1000 A 100 A None of these 0.41666666666667 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An ideal voltage source has Zero internal resistance Infinite internal resistance None of these A load-dependent current A load dependent voltage Zero internal resistance Infinite internal resistance None of these A load-dependent current A load dependent voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the base supply voltage increases, the Q point moves off the load line None of these nowhere up down off the load line None of these nowhere up down ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 30 Ohm 60 Ohm 754 Ohm None of these 120 Ohm 30 Ohm 60 Ohm 754 Ohm None of these 120 Ohm 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 opposition to a build-up of magnetic fields The force that maintains lines of force The concentration of lines of magnetic force None of these The rate of change of the number of lines of magnetic force The opposition to a build-up of magnetic fields The force that maintains lines of force The concentration of lines of magnetic force None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The emitter diode is usually Operating in the breakdwon region Reverse-biased Forward-biased Nonconducting None of these Operating in the breakdwon region Reverse-biased Forward-biased Nonconducting None of these ANSWER DOWNLOAD EXAMIANS APP
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