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? None of these 200 mA 300 mA 7.8 mA 208 mA None of these 200 mA 300 mA 7.8 mA 208 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a transistor operates at the middle of the load line, an increase in the base resistance will move the Q point up nowhere None of these down off the load line up nowhere None of these down off the load line ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm? 250 Ohm None of these 99.3 Ohm 60 Ohm 70.7Ohm 250 Ohm None of these 99.3 Ohm 60 Ohm 70.7Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source? 157 raA 2.02 A 0.151 mA 0.995 mA None of these 157 raA 2.02 A 0.151 mA 0.995 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The south pole of a magnet is the one: None of these that would be repelled by the north pole of another magnet that has its molecules arranged in a random pattern that would be attracted to the earths north magnetic pole that would be attracted to the earth's south magnetic pole None of these that would be repelled by the north pole of another magnet that has its molecules arranged in a random pattern that would be attracted to the earths north magnetic pole that would be attracted to the earth's south magnetic pole 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 off the load line down None of these up nowhere off the load line down None of these up ANSWER DOWNLOAD EXAMIANS APP
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