Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? None of these 200 k Ohm or less 20 k Ohm or more 200 k Ohm or more 20 km or less None of these 200 k Ohm or less 20 k Ohm or more 200 k Ohm or more 20 km or less 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? 3.2 mA 13 mA 3.75 mA 0.05 mA None of these 3.2 mA 13 mA 3.75 mA 0.05 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between the kinds of charges for an electron and a proton? An electron has a positive charge and a proton has no charge An electron has a positive charge and a proton has a negative charge An electron has a negative charge and a proton has no charge None of these An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has no charge An electron has a positive charge and a proton has a negative charge An electron has a negative charge and a proton has no charge None of these An electron has a negative charge and a proton has a positive charge 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? 0.4 A 0.2 A None of these 0.6 A 0.3 A 0.4 A 0.2 A None of these 0.6 A 0.3 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 60-W light bulb that is operating at 120 V? 0.5A None of these 7200 A 180 A 0.083333333333333 0.5A None of these 7200 A 180 A 0.083333333333333 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the collector current increases, what does the current gain do? increases None of these stays the same any of the above decreases increases None of these stays the same any of the above decreases ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS