Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? None of these Chemical energy Solar energy Electronical energy Mechanical energy None of these Chemical energy Solar energy Electronical energy Mechanical energy ANSWER DOWNLOAD EXAMIANS APP
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? 651 V 208 V None of these 707 V 700 V 651 V 208 V None of these 707 V 700 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? Resistances provide the only opposition to current flow Inductive reactance provides the only opposition to current flow None of these Combinations of resistance and inductive reactance provide any opposition to current flow The ac voltage lags the current by 90 degree Resistances provide the only opposition to current flow Inductive reactance provides the only opposition to current flow None of these Combinations of resistance and inductive reactance provide any opposition to current flow The ac voltage lags the current by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 14.8 µA 7.8 µA 10.3 µA None of these 7.75 µA 14.8 µA 7.8 µA 10.3 µA None of these 7.75 µA 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 22,000 Ohm, 5% 22, 000 Ohm, 10% 220 Ohm, 5% 220 Ohm, 10% None of these 22,000 Ohm, 5% 22, 000 Ohm, 10% 220 Ohm, 5% 220 Ohm, 10% ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? 3 W 6 W 64 W None of these 122 W 3 W 6 W 64 W None of these 122 W ANSWER DOWNLOAD EXAMIANS APP
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