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 0.05 mA None of these 3.75 mA 13 mA 3.2 mA 0.05 mA None of these 3.75 mA 13 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current? P = I2R P = E2/R None of these P = IE I = P/E P = I2R P = E2/R None of these P = IE I = P/E ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which is the most widely used semiconductor? All of these None of these Germanium Silicon Copper All of these None of these Germanium Silicon Copper ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of More than 100 k Ohm less than 10 Ohm None of these Less than 100 k Ohm At least 10 Ohm More than 100 k Ohm less than 10 Ohm None of these Less than 100 k Ohm At least 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? None of these Ohmmeter Ammeter Voltmeter Wattmeter None of these Ohmmeter Ammeter Voltmeter Wattmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 0.20833333333333 50 A 20 A None of these 0.20833333333333 50 A 20 A None of these ANSWER DOWNLOAD EXAMIANS APP