Electronic Principles In an intrinsic semiconductor, the number of free electrons None of these Impossible to say Is less than the number of holes Is greater than the number of holes Equals the number of holes None of these Impossible to say Is less than the number of holes Is greater than the number of holes Equals the number of holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the current gain is 200 and the collector current is 100 mA, the base current is 200 A 0.5 mA 0.083333333333333 2 mA None of these 200 A 0.5 mA 0.083333333333333 2 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Neither Impossible to say Primary voltage Secondary voltage None of these Neither Impossible to say Primary voltage Secondary voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform? The actual frequency of a sine waveform is 1.41 times the working frequency None of these The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The higher the amplitude of a waveform, the higher its frequency The actual frequency of a sine waveform is 1.41 times the working frequency None of these The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The higher the amplitude of a waveform, the higher its frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that has twice the amount of charge of a normal electron An electron that has been freed from its parent atom None of these An electron that has no electrical charge An electron that costs nothing An electron that has twice the amount of charge of a normal electron An electron that has been freed from its parent atom None of these An electron that has no electrical charge An electron that costs nothing ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a direct statement of Ohm's law? The total resistance of a parallel circuit is less than the value of the smallest resistance The algebraic sum of voltages in a loop is equal to zero None of these 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 total resistance of a parallel circuit is less than the value of the smallest resistance The algebraic sum of voltages in a loop is equal to zero None of these 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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