Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 20 mW None of these 200 mW 300 mW 10 mW 20 mW None of these 200 mW 300 mW 10 mW 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? 6 Ohm 50 Ohm or more 5 Ohm 100 Ohm None of these 6 Ohm 50 Ohm or more 5 Ohm 100 Ohm 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? Voltmeter Wattmeter None of these Ammeter Ohmmeter Voltmeter Wattmeter None of these Ammeter 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 flows in one direction at a steady level The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction, but changes value 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 changes direction periodically The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit flows in two directions at the same time None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff? 100 Ohm 20 Ohm 30 Ohm 10 Ohm None of these 100 Ohm 20 Ohm 30 Ohm 10 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: cuts the capacitive reactance in half has no effect on the capacitive reactance None of these multiplies the capacitive reactance by 6.28 doubles the amount of a capacitive reactance cuts the capacitive reactance in half has no effect on the capacitive reactance None of these multiplies the capacitive reactance by 6.28 doubles the amount of a capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
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