Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 13 mA 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 3 2 43891 43922 None of these 3 2 43891 43922 None of these 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? Ammeter Voltmeter Wattmeter None of these Ohmmeter Ammeter Voltmeter Wattmeter None of these Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? The current in an ac circuit changes direction periodically The current in an ac circuit flows in two directions at the same time None of these The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit changes direction periodically The current in an ac circuit flows in two directions at the same time None of these The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in one direction, but changes value periodically 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 None of these 220 Ohm, 5% 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% 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 None of these I = P/E P = E2/R P = PR R = E2/P None of these I = P/E P = E2/R P = PR ANSWER DOWNLOAD EXAMIANS APP
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