Given the combined DC input voltages, what would the output voltage be in the circuit shown in Figure 3D7?
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150 mV
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5.5 V
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-15 mv
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Correct Answer-5.5 V
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Which lamps would be lit in the circuit shown in Figure 3D8?
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2, 3, 4, 5 and 6.
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5, 6, 8 and 9.
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Correct Answer2, 3, 4, 7 and 8.
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1, 3, 5, 7 and 8.
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In Figure 3D9, determine if there is a problem with this regulated power supply and identify the problem.
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R1 value is too low which would cause excessive base current and instantly destroy TR 1.
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D1 and D2 are reversed. The power supply simply would not function.
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TR1 is shown as an NPN and must be changed to a PNP.
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Correct AnswerThere is no problem with the circuit.
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With a pure AC signal input to the circuit shown in Figure 3D11, what output wave form would you expect to see on an oscilloscope display?
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1
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Correct Answer2
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3
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4
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