Electronic Principles A device that converts thermal energy to electrical energy is called a: chemical cell thermocouple piezoelectric devices None of these solar cell chemical cell thermocouple piezoelectric devices None of these solar cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: increasing the area of the plates decreasing the area of the plates increasing the frequency of the applied voltage increasing the voltage applied to the plates None of these increasing the area of the plates decreasing the area of the plates increasing the frequency of the applied voltage increasing the voltage applied to the plates None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 5 Ohm 50 Ohm or more None of these 100 Ohm 6 Ohm 5 Ohm 50 Ohm or more None of these 100 Ohm 6 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W? None of these 224 ohm 77.7 ohm 89.3 ohm 88.8 ohm None of these 224 ohm 77.7 ohm 89.3 ohm 88.8 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? None of these Combinations of resistance and inductive reactance provide any opposition to current flow The ac voltage lags the current by 90 degree Inductive reactance provides the only opposition to current flow Resistances provide 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 Inductive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow 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? 4.73 24 V None of these 0.4 V 600 V 4.73 24 V None of these 0.4 V 600 V ANSWER DOWNLOAD EXAMIANS APP
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