Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: Same as the primary current No more than 10% less than the primary current One-half the primary current None of these Twice the primary current Same as the primary current No more than 10% less than the primary current One-half the primary current None of these Twice the primary current ANSWER DOWNLOAD EXAMIANS APP
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 0.4 V None of these 24 V 4.73 600 V 0.4 V None of these 24 V 4.73 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: peak the current and round off the voltage waveforms round off both the voltage and current waveforms peak the voltage and round off the current waveforms peak both the voltage and current waveforms None of these peak the current and round off the voltage waveforms round off both the voltage and current waveforms peak the voltage and round off the current waveforms peak both the voltage and current waveforms None of these 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 220 Ohm, 5% 220 Ohm, 10% None of these 22, 000 Ohm, 10% 22,000 Ohm, 5% 220 Ohm, 5% 220 Ohm, 10% None of these 22, 000 Ohm, 10% 22,000 Ohm, 5% ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 24 V None of these 30 V 18 V 12 V 24 V None of these 30 V 18 V 12 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which is the most widely used semiconductor? Germanium Copper Silicon All of these None of these Germanium Copper Silicon All of these None of these ANSWER DOWNLOAD EXAMIANS APP
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