Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 10.3 µA 14.8 µA None of these 7.8 µA 7.75 µA 10.3 µA 14.8 µA None of these 7.8 µA 7.75 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Is greater than the number of holes None of these Equals the number of holes Is less than the number of holes Impossible to say Is greater than the number of holes None of these Equals the number of holes Is less than the number of holes Impossible to say ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The concentration of lines of magnetic force The rate of change of the number of lines of magnetic force The force that maintains lines of force The opposition to a build-up of magnetic fields None of these The concentration of lines of magnetic force The rate of change of the number of lines of magnetic force The force that maintains lines of force The opposition to a build-up of magnetic fields None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RL circuit? The total voltage lags the total current by less than 90 None of these The total voltage is less than the sum of the voltages across the resistance and inductance The total voltages is equal to the sum of the voltages across the resistance and inductance The voltage always has the same amplitude and phase for every part of the circuit The total voltage lags the total current by less than 90 None of these The total voltage is less than the sum of the voltages across the resistance and inductance The total voltages is equal to the sum of the voltages across the resistance and inductance The voltage always has the same amplitude and phase for every part of the circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a direct statement of Ohm's law? None of these The total resistance of a parallel circuit is less than the value of the smallest resistance The algebraic sum of currents entering and leaving a point is equal to zero 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 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 algebraic sum of currents entering and leaving a point is equal to zero 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 voltages in a loop is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles As the temperature increases, the current gain decreases can be any of the above contant None of these increases decreases can be any of the above contant None of these increases ANSWER DOWNLOAD EXAMIANS APP
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