Electronic Principles The rms value of a sine waveform is: the time required to complete one full cycle equal to 0.707 times the peak amplitude None of these equal to 1.41 times the peak amplitude the number of cycles completed in one second the time required to complete one full cycle equal to 0.707 times the peak amplitude None of these equal to 1.41 times the peak amplitude the number of cycles completed in one second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the voltage drop and amount of resistance? None of these P = E2/R P = I2R I = P/E P = IE None of these P = E2/R P = I2R I = P/E P = IE ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts light energy to electrical energy is called a: solar cell photo transistor None of these thermocouple photodiode solar cell photo transistor None of these thermocouple photodiode 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 Like magnetic poles repel, while unlike poles attract None of these Like magnetic poles attract, while unlike poles repel Current flowing through a conductor generates a magnetic field Current is induced in a conductor that is moving through a magnetic field Like magnetic poles repel, while unlike poles attract None of these Like magnetic poles attract, while unlike poles repel Current flowing through a conductor generates a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? None of these 300 µA 250 µA 0.25 µA 350 µA None of these 300 µA 250 µA 0.25 µA 350 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How many protons does the nucleus of a silicon atom contain? 29 4 None of these 14 48 29 4 None of these 14 48 ANSWER DOWNLOAD EXAMIANS APP
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