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? 400 Ohm 410 Ohm None of these 550 Ohm 310 Ohm 400 Ohm 410 Ohm None of these 550 Ohm 310 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the diameter of the coil in an inductor: reduces the value of inductance by one-fourth multiplies the value of inductance by four None of these reduces the value of inductance by one-half multiplies the value of inductance by two reduces the value of inductance by one-fourth multiplies the value of inductance by four None of these reduces the value of inductance by one-half multiplies the value of inductance by two ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has None of these many free electrons a few free electrons and holes many holes No holes None of these many free electrons a few free electrons and holes many holes No holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of conventional current flow is: from negative to positive from neutral to positive from left to right None of these from positive to negative from negative to positive from neutral to positive from left to right None of these from positive to negative ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The knee voltage of a diode is approximately equal to the Applied voltage Forward voltage Breakdown voltage Barrier potential None of these Applied voltage Forward voltage Breakdown voltage Barrier potential None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A real voltage source has Infinite internal resistance None of these Zero internal resistance A small internal resistance A large internal resistance Infinite internal resistance None of these Zero internal resistance A small internal resistance A large internal resistance ANSWER DOWNLOAD EXAMIANS APP
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