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? 310 Ohm 400 Ohm 410 Ohm 550 Ohm None of these 310 Ohm 400 Ohm 410 Ohm 550 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? None of these 312 Ohm 690 Ohm less than 1 Ohm 1590 Ohm None of these 312 Ohm 690 Ohm less than 1 Ohm 1590 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 0.05 mA None of these 13 mA 3.2 mA 3.75 mA 0.05 mA None of these 13 mA 3.2 mA 3.75 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the current gain is 200 and the collector current is 100 mA, the base current is None of these 0.083333333333333 0.5 mA 2 mA 200 A None of these 0.083333333333333 0.5 mA 2 mA 200 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Determine the resistance value and tolerance of a resistor that has the following color bands; first band is red, second band is red, third band is orange, and the fourth band is gold None of these 220 Ohm, 10% 22,000 Ohm, 5% 22, 000 Ohm, 10% 220 Ohm, 5% None of these 220 Ohm, 10% 22,000 Ohm, 5% 22, 000 Ohm, 10% 220 Ohm, 5% ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: None of these reduces the value of inductance by one-half multiplies the value of inductance by two multiplies the value of inductance by four has no effect on the inductance None of these reduces the value of inductance by one-half multiplies the value of inductance by two multiplies the value of inductance by four has no effect on the inductance ANSWER DOWNLOAD EXAMIANS APP
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