Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.75 mA None of these 3.2 mA 13 mA 0.05 mA 3.75 mA None of these 3.2 mA 13 mA 0.05 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode? None of these 16.3 mA 55.86 A 18.2 mA 55 A None of these 16.3 mA 55.86 A 18.2 mA 55 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Neither Impossible to say None of these Secondary voltage Primary voltage Neither Impossible to say None of these Secondary voltage Primary voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: None of these has no effect on the capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 7 doubles the amount of capacitive reactance None of these has no effect on the capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 7 doubles the amount of capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of battery is most likely included in a cordless electric knife? Lead-acid battery Zinc-carbon battery Nicad battery None of these Mercury-cell battery Lead-acid battery Zinc-carbon battery Nicad battery None of these Mercury-cell battery 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 = IE P = I2R I = P/E None of these P = E2/R P = IE P = I2R I = P/E None of these P = E2/R ANSWER DOWNLOAD EXAMIANS APP
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