Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 10 mW None of these 20 mW 200 mW 300 mW 10 mW None of these 20 mW 200 mW 300 mW 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? 13 mA 3.2 mA None of these 3.75 mA 0.05 mA 13 mA 3.2 mA None of these 3.75 mA 0.05 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it? E = I2R None of these E = PR I = ER I = E/R E = I2R None of these E = PR I = ER I = E/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: doubles the amount of current through the inductors None of these has no effect on the current through the inductors cuts the current through the inductors one-half increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit doubles the amount of current through the inductors None of these has no effect on the current through the inductors cuts the current through the inductors one-half increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit 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 22, 000 Ohm, 10% None of these 22,000 Ohm, 5% 220 Ohm, 5% 220 Ohm, 10% 22, 000 Ohm, 10% None of these 22,000 Ohm, 5% 220 Ohm, 5% 220 Ohm, 10% ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: they have the same amplitude and frequency their waveforms are both ac or both dc All of these None of these their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency their waveforms are both ac or both dc All of these None of these their waveforms cross through zero and reach positive and negative peaks at the same time ANSWER DOWNLOAD EXAMIANS APP