Electronic Principles What is one important thing transistors do? Amplify weak signals Rectify line voltage Regulate voltage None of these Emit light Amplify weak signals Rectify line voltage Regulate voltage None of these Emit light ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? 550 Ohm 410 Ohm None of these 400 Ohm 310 Ohm 550 Ohm 410 Ohm None of these 400 Ohm 310 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is The number of free electrons in an atom The force that causes electrons to flow None of these The flow of charged particles through a material An imbalance of electrical charges The number of free electrons in an atom The force that causes electrons to flow None of these The flow of charged particles through a material An imbalance of electrical charges ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The net charge of a neutral copper atom is 4 1 None of these -1 4 1 None of these -1 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of battery is most likely included in a cordless electric knife? None of these Zinc-carbon battery Mercury-cell battery Lead-acid battery Nicad battery None of these Zinc-carbon battery Mercury-cell battery Lead-acid battery Nicad battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point up off the load line nowhere down None of these up off the load line nowhere down None of these ANSWER DOWNLOAD EXAMIANS APP
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