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 nowhere down None of these off the load line up nowhere down None of these off the load line ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Solar energy None of these Mechanical energy Electronical energy Chemical energy Solar energy None of these Mechanical energy Electronical energy Chemical energy 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 55.86 A 55 A 18.2 mA 16.3 mA None of these 55.86 A 55 A 18.2 mA 16.3 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 208 mA 300 mA 200 mA 7.8 mA None of these 208 mA 300 mA 200 mA 7.8 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The south pole of a magnet is the one: that would be attracted to the earth's south magnetic pole None of these that has its molecules arranged in a random pattern that would be attracted to the earths north magnetic pole that would be repelled by the north pole of another magnet that would be attracted to the earth's south magnetic pole None of these that has its molecules arranged in a random pattern that would be attracted to the earths north magnetic pole that would be repelled by the north pole of another magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? None of these 0.5 4 0.25 180 None of these 0.5 4 0.25 180 ANSWER DOWNLOAD EXAMIANS APP
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