Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? None of these 550 Ohm 410 Ohm 310 Ohm 400 Ohm None of these 550 Ohm 410 Ohm 310 Ohm 400 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An ideal voltage source has None of these A load-dependent current A load dependent voltage Zero internal resistance Infinite internal resistance None of these A load-dependent current A load dependent voltage Zero internal resistance Infinite internal resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: reduces the value of inductance by one-fourth multiplies the value of inductance by four None of these multiplies the value of inductance by two reduces the value of inductance by one-half reduces the value of inductance by one-fourth multiplies the value of inductance by four None of these multiplies the value of inductance by two reduces the value of inductance by one-half 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 power dissipation of a resistance when you know the voltage drop and current? P = IE P = E2/R None of these I = P/E P = I2R P = IE P = E2/R None of these I = P/E P = I2R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the collector current increases, what does the current gain do? None of these decreases any of the above increases stays the same None of these decreases any of the above increases stays the same ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a transistor operates at the middle of the load line, an increase in the base resistance will move the Q point up down off the load line nowhere None of these up down off the load line nowhere None of these ANSWER DOWNLOAD EXAMIANS APP
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