Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 600 V None of these 24 V 0.4 V 4.73 600 V None of these 24 V 0.4 V 4.73 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Determine the resistance value and tolerance of a resistor that has the following color bands; first band is red, second band is red, third band is orange, and the fourth band is gold 22,000 Ohm, 5% 22, 000 Ohm, 10% 220 Ohm, 10% None of these 220 Ohm, 5% 22,000 Ohm, 5% 22, 000 Ohm, 10% 220 Ohm, 10% None of these 220 Ohm, 5% ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the current gain is 200 and the collector current is 100 mA, the base current is 200 A 2 mA 0.083333333333333 0.5 mA None of these 200 A 2 mA 0.083333333333333 0.5 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: their waveforms cross through zero and reach positive and negative peaks at the same time All of these None of these they have the same amplitude and frequency their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time All of these None of these they have the same amplitude and frequency their waveforms are both ac or both dc ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 0 V 60 V None of these 40 V 36 V 0 V 60 V None of these 40 V 36 V 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 100 A 1000 A 0.1 A 0.41666666666667 None of these 100 A 1000 A 0.1 A 0.41666666666667 ANSWER DOWNLOAD EXAMIANS APP