Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 300 mW 20 mW 10 mW None of these 200 mW 300 mW 20 mW 10 mW None of these 200 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Silicon atoms combine into an orderly pattern called a Crystal Covalent bond None of these Valence orbit Semiconductor Crystal Covalent bond None of these Valence orbit Semiconductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.3 A None of these 0.6 A 0.4 A 0.2 A 0.3 A None of these 0.6 A 0.4 A 0.2 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the maximum positive or negative value None of these the amplitude at 90% of the maximum value the amplitude at 1.41 times the maximum value the amplitude at 70.7% of the maximum value the maximum positive or negative value None of these the amplitude at 90% of the maximum value the amplitude at 1.41 times the maximum value the amplitude at 70.7% of the maximum value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: round off both the voltage and current waveforms peak the current and round off the voltage waveforms peak both the voltage and current waveforms peak the voltage and round off the current waveforms None of these round off both the voltage and current waveforms peak the current and round off the voltage waveforms peak both the voltage and current waveforms peak the voltage and round off the current waveforms None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Current is induced in a conductor that is moving through a magnetic field None of these Like magnetic poles attract, while unlike poles repel Current flowing through a conductor generates a magnetic field Like magnetic poles repel, while unlike poles attract Current is induced in a conductor that is moving through a magnetic field None of these Like magnetic poles attract, while unlike poles repel Current flowing through a conductor generates a magnetic field Like magnetic poles repel, while unlike poles attract ANSWER DOWNLOAD EXAMIANS APP
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