Electronic Principles A device that converts thermal energy to electrical energy is called a: solar cell thermocouple piezoelectric devices None of these chemical cell solar cell thermocouple piezoelectric devices None of these chemical cell 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? 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 R = E2/P ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? None of these The ac voltage lags the current by 90 degree Resistances provide the only opposition to current flow Combinations of resistance and inductive reactance provide any opposition to current flow Inductive reactance provides the only opposition to current flow None of these The ac voltage lags the current by 90 degree Resistances provide the only opposition to current flow Combinations of resistance and inductive reactance provide any opposition to current flow Inductive reactance provides the only opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a series RC circuit? The current always has the same amplitude and phase for every part of the circuit The total current is greater than the sum of the currents for the resistance and capacitance The total current is equal to the sum of the currents for the resistance and capacitance None of these The total current is less than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current is greater than the sum of the currents for the resistance and capacitance The total current is equal to the sum of the currents for the resistance and capacitance None of these The total current is less than the sum of the currents for the resistance and capacitance 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% 22,000 Ohm, 5% 22, 000 Ohm, 10% None of these 220 Ohm, 5% 220 Ohm, 10% 22,000 Ohm, 5% 22, 000 Ohm, 10% None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 0.05 mA 3.75 mA 13 mA 3.2 mA None of these 0.05 mA 3.75 mA 13 mA 3.2 mA None of these ANSWER DOWNLOAD EXAMIANS APP