Electronic Principles Most AC power is obtained from: batteries generators lightning None of these oscillators batteries generators lightning None of these oscillators 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 nowhere down up off the load line None of these nowhere down up off the load line None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 100 A 0.41666666666667 1000 A 0.1 A None of these 100 A 0.41666666666667 1000 A 0.1 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 36 V None of these 40 V 0 V 60 V 36 V None of these 40 V 0 V 60 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 350 µA 250 µA None of these 0.25 µA 300 µA 350 µA 250 µA None of these 0.25 µA 300 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: nicad cell piezoelectric device None of these solar cell photodiode nicad cell piezoelectric device None of these solar cell photodiode ANSWER DOWNLOAD EXAMIANS APP
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