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 13 mA 3.75 mA None of these 3.2 mA 0.05 mA 13 mA 3.75 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a transistor operates at the middle of the load line, an increase in the base resistance will move the Q point off the load line None of these nowhere up down off the load line None of these nowhere up down ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of At least 10 Ohm More than 100 k Ohm less than 10 Ohm Less than 100 k Ohm None of these At least 10 Ohm More than 100 k Ohm less than 10 Ohm Less than 100 k Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
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 The number of free electrons and holes in intrinsic semiconductor increases when the temperature None of these Increases 0oC Stays the same Decreases None of these Increases 0oC Stays the same Decreases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a direct statement of Ohm's law? The algebraic sum of voltages in a loop is equal to zero None of these The total resistance of a parallel circuit is less than the value of the smallest resistance The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of currents entering and leaving a point is equal to zero The algebraic sum of voltages in a loop is equal to zero None of these The total resistance of a parallel circuit is less than the value of the smallest resistance The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of currents entering and leaving a point is equal to zero ANSWER DOWNLOAD EXAMIANS APP
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