Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 14.8 µA None of these 10.3 µA 7.75 µA 7.8 µA 14.8 µA None of these 10.3 µA 7.75 µA 7.8 µA 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? P = E2/R R = E2/P P = PR None of these I = P/E P = E2/R R = E2/P P = PR None of these I = P/E ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? None of these 200 W 1000 W 100 W 20 W None of these 200 W 1000 W 100 W 20 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Waveforms are graphs that show: amplitude on the vertical axis and frequency on the horizontal axis amplitude on the vertical axis and the passage of time on the horizontal axis the passage of time on the vertical axis and amplitude on the horizontal axis None of these frequency on the vertical axis and amplitude on the horizontal axis amplitude on the vertical axis and frequency on the horizontal axis amplitude on the vertical axis and the passage of time on the horizontal axis the passage of time on the vertical axis and amplitude on the horizontal axis None of these frequency on the vertical axis and amplitude on the horizontal axis ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: a poor conductor of electrostatic fields a good conductor None of these a good conductor of magnetic fields a good insulator a poor conductor of electrostatic fields a good conductor None of these a good conductor of magnetic fields a good insulator ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: solar cell None of these nicad cell piezoelectric device photodiode solar cell None of these nicad cell piezoelectric device photodiode ANSWER DOWNLOAD EXAMIANS APP