Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 700 V None of these 208 V 707 V 651 V 700 V None of these 208 V 707 V 651 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? Ohmmeter Voltmeter None of these Ammeter Wattmeter Ohmmeter Voltmeter None of these Ammeter Wattmeter 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? 77.7 ohm 89.3 ohm None of these 224 ohm 88.8 ohm 77.7 ohm 89.3 ohm None of these 224 ohm 88.8 ohm 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? 0.1 A 1000 A 100 A 0.41666666666667 None of these 0.1 A 1000 A 100 A 0.41666666666667 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical into electrical energy is? thermocouple None of these chemical cell solar cell generator thermocouple None of these chemical cell solar cell generator ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Silicon atoms combine into an orderly pattern called a None of these Valence orbit Crystal Semiconductor Covalent bond None of these Valence orbit Crystal Semiconductor Covalent bond ANSWER DOWNLOAD EXAMIANS APP
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