Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Decreases Increases Stays the same 0oC None of these Decreases Increases Stays the same 0oC None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? None of these 1 k Ohm 10 k Ohm 20 k Ohm 2 k Ohm None of these 1 k Ohm 10 k Ohm 20 k Ohm 2 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals reduces the level of all frequencies by a significant amount None of these passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals reduces the level of all frequencies by a significant amount None of these passes higher-frequency signals and reduces lower-frequency signals ANSWER DOWNLOAD EXAMIANS APP
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 7.75 µA None of these 7.8 µA 14.8 µA 10.3 µA 7.75 µA None of these 7.8 µA 14.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts light energy to electrical energy is called a: photo transistor solar cell None of these thermocouple photodiode photo transistor solar cell None of these thermocouple photodiode ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 30.4 V None of these 37.4 V 35.4 V 38.74 V 30.4 V None of these 37.4 V 35.4 V 38.74 V ANSWER DOWNLOAD EXAMIANS APP
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