Electronic Principles An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? 28.4 mA None of these 68.4 mA 24.2 mA 34.4 mA 28.4 mA None of these 68.4 mA 24.2 mA 34.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? 692.2 Ohm 3890 Ohm 1234 Ohm None of these 844.5 Ohm 692.2 Ohm 3890 Ohm 1234 Ohm None of these 844.5 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform? The actual frequency of a sine waveform is 1.41 times the working frequency The higher the amplitude of a waveform, the higher its frequency The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz None of these The actual frequency of a sine waveform is 1.41 times the working frequency The higher the amplitude of a waveform, the higher its frequency The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements applies to common auto batteries? Auto batteries are primary dry-cell batteries None of these Auto batteries are primary wet-cell batteries Auto batteries are secondary wet-cell batteries Auto batteries are secondary dry-cell batteries Auto batteries are primary dry-cell batteries None of these Auto batteries are primary wet-cell batteries Auto batteries are secondary wet-cell batteries Auto batteries are secondary dry-cell batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An ideal voltage source has Infinite internal resistance None of these A load dependent voltage Zero internal resistance A load-dependent current Infinite internal resistance None of these A load dependent voltage Zero internal resistance A load-dependent current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: nicad cell photodiode None of these piezoelectric device solar cell nicad cell photodiode None of these piezoelectric device solar cell ANSWER DOWNLOAD EXAMIANS APP