Electronic Principles A device that converts mechanical into electrical energy is? solar cell chemical cell generator None of these thermocouple solar cell chemical cell generator None of these thermocouple ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of a generator? 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes are the minority carriers in which type of semiconductor? None of these p-type n-type Intrinsic Extrinsic None of these p-type n-type Intrinsic Extrinsic ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 0.05 mA None of these 3.2 mA 3.75 mA 13 mA 0.05 mA None of these 3.2 mA 3.75 mA 13 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W? 88.8 ohm 77.7 ohm None of these 224 ohm 89.3 ohm 88.8 ohm 77.7 ohm None of these 224 ohm 89.3 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? R = E2/P P = PR I = P/E P = E2/R None of these R = E2/P P = PR I = P/E P = E2/R None of these ANSWER DOWNLOAD EXAMIANS APP