Electronic Principles Holes act like: Crystals None of these Negative charges Positive charges Atoms Crystals None of these Negative charges Positive charges Atoms ANSWER DOWNLOAD EXAMIANS APP
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 3.75 mA None of these 13 mA 0.05 mA 3.2 mA 3.75 mA None of these 13 mA 0.05 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: None of these cuts the total current by one-half doubles the amount of total current thrice the amount of total current has no effect on the total circuit current None of these cuts the total current by one-half doubles the amount of total current thrice the amount of total current has no effect on the total circuit current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs? P = E2/R I = P/E P = IE P = I2R None of these P = E2/R I = P/E P = IE P = I2R None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from 10% of the peak value to 90% of the peak value from zero to its peak value from 10% of the peak value to 70.7% of the peak value None of these from zero to its rms value from 10% of the peak value to 90% of the peak value from zero to its peak value from 10% of the peak value to 70.7% of the peak value None of these from zero to its rms value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Inductive reactance is measured in units of: Ohm amperes per second None of these henrys volts per second Ohm amperes per second None of these henrys volts per second ANSWER DOWNLOAD EXAMIANS APP
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