Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? The voltage reverses polarity periodically The voltage remains at one polarity and at a steady level The voltage causes current to flow in two directions at the same time The voltage remains at one polarity but changes value periodically None of these The voltage reverses polarity periodically The voltage remains at one polarity and at a steady level The voltage causes current to flow in two directions at the same time The voltage remains at one polarity but changes value periodically 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 22, 000 Ohm, 10% 22,000 Ohm, 5% 220 Ohm, 5% None of these 220 Ohm, 10% 22, 000 Ohm, 10% 22,000 Ohm, 5% 220 Ohm, 5% None of these 220 Ohm, 10% ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a direct statement of Ohm's law? The algebraic sum of voltages in a loop is equal to zero The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of currents entering and leaving a point is equal to zero The total resistance of a parallel circuit is less than the value of the smallest resistance None of these The algebraic sum of voltages in a loop is equal to zero The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of currents entering and leaving a point is equal to zero The total resistance of a parallel circuit is less than the value of the smallest resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts light energy to electrical energy is called a: photo transistor solar cell thermocouple photodiode None of these photo transistor solar cell thermocouple photodiode None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that has no electrical charge An electron that has been freed from its parent atom An electron that costs nothing None of these An electron that has twice the amount of charge of a normal electron An electron that has no electrical charge An electron that has been freed from its parent atom An electron that costs nothing None of these An electron that has twice the amount of charge of a normal electron ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has how many doped regions? 2 4 1 3 None of these 2 4 1 3 None of these ANSWER DOWNLOAD EXAMIANS APP