Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 350 µA 250 µA None of these 300 µA 0.25 µA 350 µA 250 µA None of these 300 µA 0.25 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 100 W None of these 1000 W 20 W 200 W 100 W None of these 1000 W 20 W 200 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An ideal voltage source has None of these A load-dependent current Infinite internal resistance A load dependent voltage Zero internal resistance None of these A load-dependent current Infinite internal resistance A load dependent voltage Zero internal resistance 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 = PR I = E/R I = ER None of these E = I2R E = PR I = E/R I = ER None of these E = I2R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.6 A 0.3 A 0.4 A 0.2 A None of these 0.6 A 0.3 A 0.4 A 0.2 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm? 60 Ohm 99.3 Ohm 70.7Ohm None of these 250 Ohm 60 Ohm 99.3 Ohm 70.7Ohm None of these 250 Ohm ANSWER DOWNLOAD EXAMIANS APP