Electronic Principles Which one of the following principles best describes the basic operation of a generator? None of these Like magnetic poles attract; unlike poles repel Current flowing through a conductor generates a magnetic field Like magnetic poles repel; unlike poles attract Current is induced in a conductor that is moving through a magnetic field None of these Like magnetic poles attract; unlike poles repel Current flowing through a conductor generates a magnetic field Like magnetic poles repel; unlike poles attract Current is induced in a conductor that is moving through a magnetic field 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 1000 A 0.1 A 0.41666666666667 100 A None of these 1000 A 0.1 A 0.41666666666667 100 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? 28.4 mA 24.2 mA 68.4 mA None of these 34.4 mA 28.4 mA 24.2 mA 68.4 mA None of these 34.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The basic unit of measurement for resistance is the: ampere ohm None of these watt volt ampere ohm None of these watt volt ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements applies to common auto batteries? Auto batteries are primary dry-cell batteries None of these Auto batteries are secondary dry-cell batteries Auto batteries are primary wet-cell batteries Auto batteries are secondary wet-cell batteries Auto batteries are primary dry-cell batteries None of these Auto batteries are secondary dry-cell batteries Auto batteries are primary wet-cell batteries Auto batteries are secondary wet-cell batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: multiplies the value of inductance by four multiplies the value of inductance by two has no effect on the inductance reduces the value of inductance by one-half None of these multiplies the value of inductance by four multiplies the value of inductance by two has no effect on the inductance reduces the value of inductance by one-half None of these ANSWER DOWNLOAD EXAMIANS APP
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