Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W? 89.3 ohm 224 ohm None of these 77.7 ohm 88.8 ohm 89.3 ohm 224 ohm None of these 77.7 ohm 88.8 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used for creating static electricity? None of these Light energy Solar energy Mechanical energy Chemical energy None of these Light energy Solar energy Mechanical energy Chemical energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: an artificial magnet a temporary magnet a natural magnet a paramagnetic alloy None of these an artificial magnet a temporary magnet a natural magnet a paramagnetic alloy None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: reduces the value of inductance by one-half multiplies the value of inductance by four multiplies the value of inductance by two None of these reduces the value of inductance by one-fourth reduces the value of inductance by one-half multiplies the value of inductance by four multiplies the value of inductance by two None of these reduces the value of inductance by one-fourth 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 None of these 0.05 mA 3.75 mA 13 mA 3.2 mA None of these 0.05 mA 3.75 mA 13 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 0.4 V 600 V 24 V None of these 4.73 0.4 V 600 V 24 V None of these 4.73 ANSWER DOWNLOAD EXAMIANS APP
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